Merge remote branch 'origin/4.7' into qt-master-from-4.7

Conflicts:
	mkspecs/features/symbian/application_icon.prf
	src/sql/drivers/odbc/qsql_odbc.cpp

32 files changed, 539 insertions, 254 deletions

diff --git a/examples/gestures/imagegestures/imagewidget.cpp b/examples/gestures/imagegestures/imagewidget.cpp
index 12e6216..8bbb965 100644
--- a/examples/gestures/imagegestures/imagewidget.cpp
+++ b/examples/gestures/imagegestures/imagewidget.cpp
@@ -1,3 +1,4 @@
+
 /****************************************************************************
 **
 ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
diff --git a/mkspecs/common/symbian/symbian.conf b/mkspecs/common/symbian/symbian.conf
index 37bbb82..006a2da 100644
--- a/mkspecs/common/symbian/symbian.conf
+++ b/mkspecs/common/symbian/symbian.conf
@@ -215,19 +215,14 @@ default_deployment.pkg_prerules += pkg_depends_webkit pkg_depends_qt pkg_platfor
 DEPLOYMENT += default_deployment default_bin_deployment default_resource_deployment default_reg_deployment
 
 defineReplace(symbianRemoveSpecialCharacters) {
-    # Produce identical string to what SymbianCommonGenerator::removeSpecialCharacters and
-    # SymbianCommonGenerator::removeEpocSpecialCharacters produce
+    # Produce identical string to what SymbianCommonGenerator::removeSpecialCharacters
 
     fixedStr = $$1
 
     fixedStr = $$replace(fixedStr, /,_)
     fixedStr = $$replace(fixedStr, \\\\,_)
     fixedStr = $$replace(fixedStr, " ",_)
-    symbian-abld|symbian-sbsv2 {
-        fixedStr = $$replace(fixedStr, -,_)
-        fixedStr = $$replace(fixedStr, \\.,_)
-        fixedStr = $$replace(fixedStr, :,_)
-    }
+    fixedStr = $$replace(fixedStr, :,_)
 
     return ($$fixedStr)
 }
diff --git a/mkspecs/features/symbian/application_icon.prf b/mkspecs/features/symbian/application_icon.prf
index f50e944..d9918bf 100644
--- a/mkspecs/features/symbian/application_icon.prf
+++ b/mkspecs/features/symbian/application_icon.prf
@@ -12,69 +12,75 @@ contains(CONFIG, no_icon) {
 
 !contains(CONFIG, no_icon) {
     baseTarget = $$symbianRemoveSpecialCharacters($$basename(TARGET))
-    symbian-abld|symbian-sbsv2 {
-        resourceZDir = $$EPOCROOT$$HW_ZDIR$$APP_RESOURCE_DIR
-        regZDir = $$EPOCROOT$$HW_ZDIR$$REG_RESOURCE_IMPORT_DIR
+    contains(baseTarget, "^.*\\..*$") {
+        CONFIG += no_icon
+        ICON =
+        warning("Symbian resources do not support '.' character in TARGET, skipping resource generation.")
     } else {
-        contains(DESTDIR, "/.*") {
-            resourceZDir = $$DESTDIR
-        } else:isEmpty(DESTDIR) {
-            resourceZDir = $$OUT_PWD
+        symbian-abld|symbian-sbsv2 {
+            resourceZDir = $$EPOCROOT$$HW_ZDIR$$APP_RESOURCE_DIR
+            regZDir = $$EPOCROOT$$HW_ZDIR$$REG_RESOURCE_IMPORT_DIR
         } else {
-            resourceZDir = $$OUT_PWD/$$DESTDIR
+            contains(DESTDIR, "/.*") {
+                resourceZDir = $$DESTDIR
+            } else:isEmpty(DESTDIR) {
+                resourceZDir = $$OUT_PWD
+            } else {
+                resourceZDir = $$OUT_PWD/$$DESTDIR
+            }
+            regZDir = $$resourceZDir
         }
-        regZDir = $$resourceZDir
-    }
 
-    default_resource_deployment.files += $$resourceZDir/$${baseTarget}.rsc
-    default_resource_deployment.path = $$APP_RESOURCE_DIR
-    default_reg_deployment.files += $$regZDir/$${baseTarget}_reg.rsc
-    default_reg_deployment.path = $$REG_RESOURCE_IMPORT_DIR
+        default_resource_deployment.files += $$resourceZDir/$${baseTarget}.rsc
+        default_resource_deployment.path = $$APP_RESOURCE_DIR
+        default_reg_deployment.files += $$regZDir/$${baseTarget}_reg.rsc
+        default_reg_deployment.path = $$REG_RESOURCE_IMPORT_DIR
 
-    !isEmpty(ICON) {
-        !count(ICON, 1) {
-            ICON = $$first(ICON)
-            warning("Only first icon specified in ICON variable is used: $$ICON")
-        }
+        !isEmpty(ICON) {
+            !count(ICON, 1) {
+                ICON = $$first(ICON)
+                warning("Only first icon specified in ICON variable is used: $$ICON")
+            }
 
-        # Note: symbian-sbsv2 builds can't utilize extra compiler for mifconv, so ICON handling is done in code
-        !symbian-sbsv2 {
-            # Absolute path required for shadow builds.
-            # However, in older Symbian environments abld toolchain can't handle even moderately long
-            # paths, so don't force absolute there.
-            !symbian-abld:!contains(ICON, "^(/|\\\\|.:).*"):ICON = $$_PRO_FILE_PWD_/$$ICON
+            # Note: symbian-sbsv2 builds can't utilize extra compiler for mifconv, so ICON handling is done in code
+            !symbian-sbsv2 {
+                # Absolute path required for shadow builds.
+                # However, in older Symbian environments abld toolchain can't handle even moderately long
+                # paths, so don't force absolute there.
+                !symbian-abld:!contains(ICON, "^(/|\\\\|.:).*"):ICON = $$_PRO_FILE_PWD_/$$ICON
 
-            #Makefile: requires paths with backslash
-            ICON_backslashed = $$ICON
+                #Makefile: requires paths with backslash
+                ICON_backslashed = $$ICON
 
-            symbian-abld {
-                # ${ZDIR} is defined in Makefile
-                mifIconZDir = ${ZDIR}$$APP_RESOURCE_DIR
-            } else {
-                mifIconZDir = $$resourceZDir
-            }
+                symbian-abld {
+                    # ${ZDIR} is defined in Makefile
+                    mifIconZDir = ${ZDIR}$$APP_RESOURCE_DIR
+                } else {
+                    mifIconZDir = $$resourceZDir
+                }
 
-            # Extra compiler rules for mifconv
-            mifconv.target = $$mifIconZDir/$${baseTarget}.mif
-            contains(QMAKE_HOST.os, "Windows") {
-                ICON_backslashed = $$replace(ICON_backslashed, /, \\)
-                mifconv.target = $$replace(mifconv.target, /, \\)
-            }
-            # Based on: http://www.forum.nokia.com/document/Cpp_Developers_Library
-            # svg-t icons should always use /c32 depth
-            mifconv.commands = mifconv $$mifconv.target /c32 $$ICON_backslashed
+                # Extra compiler rules for mifconv
+                mifconv.target = $$mifIconZDir/$${baseTarget}.mif
+                contains(QMAKE_HOST.os, "Windows") {
+                    ICON_backslashed = $$replace(ICON_backslashed, /, \\)
+                    mifconv.target = $$replace(mifconv.target, /, \\)
+                }
+                # Based on: http://www.forum.nokia.com/document/Cpp_Developers_Library
+                # svg-t icons should always use /c32 depth
+                mifconv.commands = mifconv $$mifconv.target /c32 $$ICON_backslashed
 
-            mifconv.depends = $$ICON
-            PRE_TARGETDEPS += $$mifconv.target
-            QMAKE_EXTRA_TARGETS += mifconv
-            QMAKE_DISTCLEAN += $$mifconv.target
-        }
-        # Rules to use generated MIF file from symbian resources
-        RSS_RULES.number_of_icons = $$size(ICON_backslashed)
+                mifconv.depends = $$ICON
+                PRE_TARGETDEPS += $$mifconv.target
+                QMAKE_EXTRA_TARGETS += mifconv
+                QMAKE_CLEAN += $$mifconv.target
+            }
+            # Rules to use generated MIF file from symbian resources
+            RSS_RULES.number_of_icons = $$size(ICON_backslashed)
 
-        RSS_RULES.icon_file = $$APP_RESOURCE_DIR/$${baseTarget}.mif                
+            RSS_RULES.icon_file = $$APP_RESOURCE_DIR/$${baseTarget}.mif                
 
-        default_resource_deployment.files += $$resourceZDir/$${baseTarget}.mif
+            default_resource_deployment.files += $$resourceZDir/$${baseTarget}.mif
+        }
     }
 }
 
diff --git a/qmake/generators/symbian/symbiancommon.cpp b/qmake/generators/symbian/symbiancommon.cpp
index c54fac7..46b8cf5 100644
--- a/qmake/generators/symbian/symbiancommon.cpp
+++ b/qmake/generators/symbian/symbiancommon.cpp
@@ -79,11 +79,7 @@ void SymbianCommonGenerator::init()
         fixedTarget = project->first("TARGET");
     fixedTarget = generator->unescapeFilePath(fixedTarget);
     fixedTarget = removePathSeparators(fixedTarget);
-    if (project->first("MAKEFILE_GENERATOR") == "SYMBIAN_ABLD"
-        || project->first("MAKEFILE_GENERATOR") == "SYMBIAN_SBSV2")
-        removeEpocSpecialCharacters(fixedTarget);
-    else
-        removeSpecialCharacters(fixedTarget);
+    removeSpecialCharacters(fixedTarget);
 
     // This should not be empty since the mkspecs are supposed to set it if missing.
     uid3 = project->first("TARGET.UID3").trimmed();
@@ -131,18 +127,11 @@ bool SymbianCommonGenerator::containsStartWithItem(const QChar &c, const QString
 void SymbianCommonGenerator::removeSpecialCharacters(QString& str)
 {
     // When modifying this method check also symbianRemoveSpecialCharacters in symbian.conf
-    str.replace(QString("/"), QString("_"));
-    str.replace(QString("\\"), QString("_"));
-    str.replace(QString(" "), QString("_"));
-}
-
-void SymbianCommonGenerator::removeEpocSpecialCharacters(QString& str)
-{
-    // When modifying this method check also symbianRemoveSpecialCharacters in symbian.conf
-    str.replace(QString("-"), QString("_"));
-    str.replace(QString(":"), QString("_"));
-    str.replace(QString("."), QString("_"));
-    removeSpecialCharacters(str);
+    QString underscore = QLatin1String("_");
+    str.replace(QLatin1String("/"), underscore);
+    str.replace(QLatin1String("\\"), underscore);
+    str.replace(QLatin1String(" "), underscore);
+    str.replace(QLatin1String(":"), underscore);
 }
 
 QString romPath(const QString& path)
diff --git a/qmake/generators/symbian/symbiancommon.h b/qmake/generators/symbian/symbiancommon.h
index 0b5f53d..5182021 100644
--- a/qmake/generators/symbian/symbiancommon.h
+++ b/qmake/generators/symbian/symbiancommon.h
@@ -82,7 +82,6 @@ protected:
 
     QString removePathSeparators(QString &file);
     void removeSpecialCharacters(QString& str);
-    void removeEpocSpecialCharacters(QString& str);
     void generatePkgFile(const QString &iconFile,
                          bool epocBuild,
                          const SymbianLocalizationList &symbianLocalizationList);
diff --git a/qmake/generators/symbian/symmake.cpp b/qmake/generators/symbian/symmake.cpp
index e6c9666..08d3370 100644
--- a/qmake/generators/symbian/symmake.cpp
+++ b/qmake/generators/symbian/symmake.cpp
@@ -83,6 +83,8 @@
 #define VAR_CFLAGS "QMAKE_CFLAGS"
 #define VAR_LFLAGS "QMAKE_LFLAGS"
 
+#define DEFINE_REPLACE_REGEXP "[^A-Z0-9_]"
+
 QString SymbianMakefileGenerator::fixPathForMmp(const QString& origPath, const QDir& parentDir)
 {
     static QString epocRootStr;
@@ -165,11 +167,15 @@ void SymbianMakefileGenerator::writeHeader(QTextStream &t)
     QString bldinfDefine = shortProFilename;
     bldinfDefine.append("_");
     bldinfDefine.append(generate_uid(project->projectFile()));
+    bldinfDefine = bldinfDefine.toUpper();
+
+    // replace anything not alphanumeric with underscore
+    QRegExp replacementMask(DEFINE_REPLACE_REGEXP);
+    bldinfDefine.replace(replacementMask, QLatin1String("_"));
 
     bldinfDefine.prepend("BLD_INF_");
-    removeEpocSpecialCharacters(bldinfDefine);
 
-    t << "#define " << bldinfDefine.toUpper() << endl << endl;
+    t << "#define " << bldinfDefine << endl << endl;
 }
 
 bool SymbianMakefileGenerator::writeMakefile(QTextStream &t)
@@ -892,13 +898,17 @@ void SymbianMakefileGenerator::writeBldInfContent(QTextStream &t, bool addDeploy
 
     const QStringList &subdirs = project->values("SUBDIRS");
     foreach(QString item, subdirs) {
+        bool fromFile = false;
         QString fixedItem;
         if (!project->isEmpty(item + ".file")) {
             fixedItem = project->first(item + ".file");
+            fromFile = true;
         } else if (!project->isEmpty(item + ".subdir")) {
             fixedItem = project->first(item + ".subdir");
+            fromFile = false;
         } else {
             fixedItem = item;
+            fromFile = item.endsWith(Option::pro_ext);
         }
 
         QString condition;
@@ -907,9 +917,15 @@ void SymbianMakefileGenerator::writeBldInfContent(QTextStream &t, bool addDeploy
 
         QFileInfo subdir(fileInfo(fixedItem));
         QString relativePath = directory.relativeFilePath(fixedItem);
-        QString subdirFileName = subdir.completeBaseName();
-        QString fullProName = subdir.absoluteFilePath();;
+        QString fullProName = subdir.absoluteFilePath();
         QString bldinfFilename;
+        QString subdirFileName;
+
+        if (fromFile) {
+            subdirFileName = subdir.completeBaseName();
+        } else {
+            subdirFileName = subdir.fileName();
+        }
 
         if (subdir.isDir()) {
             // Subdir is a regular project
@@ -931,7 +947,10 @@ void SymbianMakefileGenerator::writeBldInfContent(QTextStream &t, bool addDeploy
         QString uid = generate_uid(fullProName);
         QString bldinfDefine = QString("BLD_INF_") + subdirFileName + QString("_") + uid;
         bldinfDefine = bldinfDefine.toUpper();
-        removeEpocSpecialCharacters(bldinfDefine);
+
+        // replace anything not alphanumeric with underscore
+        QRegExp replacementMask(DEFINE_REPLACE_REGEXP);
+        bldinfDefine.replace(replacementMask, QLatin1String("_"));
 
         if (!condition.isEmpty())
             t << "#if defined(" << condition << ")" << endl;
diff --git a/qmake/generators/symbian/symmake_abld.cpp b/qmake/generators/symbian/symmake_abld.cpp
index 5729e26..b582257 100644
--- a/qmake/generators/symbian/symmake_abld.cpp
+++ b/qmake/generators/symbian/symmake_abld.cpp
@@ -190,6 +190,7 @@ void SymbianAbldMakefileGenerator::writeWrapperMakefile(QFile& wrapperFile, bool
     t << "QMAKE             = " << var("QMAKE_QMAKE") << endl;
     t << "DEL_FILE          = " << var("QMAKE_DEL_FILE") << endl;
     t << "DEL_DIR           = " << var("QMAKE_DEL_DIR") << endl;
+    t << "DEL_TREE          = " << var("QMAKE_DEL_TREE") << endl;
     t << "MOVE              = " << var("QMAKE_MOVE") << endl;
     t << "CHK_DIR_EXISTS    = " << var("QMAKE_CHK_DIR_EXISTS") << endl;
     t << "MKDIR             = " << var("QMAKE_MKDIR") << endl;
@@ -329,7 +330,8 @@ void SymbianAbldMakefileGenerator::writeWrapperMakefile(QFile& wrapperFile, bool
         // Note: EXTENSION_CLEAN will get called many times when doing reallyclean
         //       This is why the "2> NUL" gets appended to generated clean targets in makefile.cpp.
         t << EXTENSION_CLEAN ": " COMPILER_CLEAN_TARGET << endl;
-        generateCleanCommands(t, dirsToClean, var("QMAKE_DEL_TREE"), "", "", "");
+        generateCleanCommands(t, dirsToClean, "$(DEL_TREE)", "", "", "");
+        generateCleanCommands(t, project->values("QMAKE_CLEAN"), "$(DEL_FILE)", "", "", "");
         t << endl;
 
         t << PRE_TARGETDEPS_TARGET ":"
diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/ChangeLog b/src/3rdparty/javascriptcore/JavaScriptCore/ChangeLog
index c2b1155..9cbf0c1 100644
--- a/src/3rdparty/javascriptcore/JavaScriptCore/ChangeLog
+++ b/src/3rdparty/javascriptcore/JavaScriptCore/ChangeLog
@@ -358,6 +358,31 @@
 
         * wtf/AlwaysInline.h:
 
+2010-02-12  Gavin Barraclough  <barraclough@apple.com>
+
+        Reviewed by Darin Adler.
+
+        https://bugs.webkit.org/show_bug.cgi?id=33731
+        Many false leaks in release builds due to PtrAndFlags
+
+        Remove UntypedPtrAndBitfield (similar to PtrAndFlags) in UStringImpl,
+        and steal bits from the refCount instead.
+
+        * runtime/UStringImpl.cpp:
+        (JSC::UStringImpl::baseSharedBuffer):
+        (JSC::UStringImpl::~UStringImpl):
+        * runtime/UStringImpl.h:
+        (JSC::UStringImpl::cost):
+        (JSC::UStringImpl::isIdentifier):
+        (JSC::UStringImpl::setIsIdentifier):
+        (JSC::UStringImpl::ref):
+        (JSC::UStringImpl::deref):
+        (JSC::UStringImpl::UStringImpl):
+        (JSC::UStringImpl::bufferOwnerString):
+        (JSC::UStringImpl::bufferOwnership):
+        (JSC::UStringImpl::isStatic):
+        (JSC::UStringImpl::):
+
 2010-02-12  Kwang Yul Seo  <skyul@company100.net>
 
         Reviewed by Adam Barth.
diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/runtime/UStringImpl.cpp b/src/3rdparty/javascriptcore/JavaScriptCore/runtime/UStringImpl.cpp
index 4b0d1c9..4fde49e 100644
--- a/src/3rdparty/javascriptcore/JavaScriptCore/runtime/UStringImpl.cpp
+++ b/src/3rdparty/javascriptcore/JavaScriptCore/runtime/UStringImpl.cpp
@@ -38,12 +38,14 @@ namespace JSC {
 SharedUChar* UStringImpl::baseSharedBuffer()
 {
     ASSERT((bufferOwnership() == BufferShared)
-        || ((bufferOwnership() == BufferOwned) && !m_dataBuffer.asPtr<void*>()));
+        || ((bufferOwnership() == BufferOwned) && !m_buffer));
 
-    if (bufferOwnership() != BufferShared)
-        m_dataBuffer = UntypedPtrAndBitfield(SharedUChar::create(new OwnFastMallocPtr<UChar>(m_data)).releaseRef(), BufferShared);
+    if (bufferOwnership() != BufferShared) {
+        m_refCountAndFlags = (m_refCountAndFlags & ~s_refCountMaskBufferOwnership) | BufferShared;
+        m_bufferShared = SharedUChar::create(new OwnFastMallocPtr<UChar>(m_data)).releaseRef();
+    }
 
-    return m_dataBuffer.asPtr<SharedUChar*>();
+    return m_bufferShared;
 }
 
 SharedUChar* UStringImpl::sharedBuffer()
@@ -71,10 +73,10 @@ UStringImpl::~UStringImpl()
         if (bufferOwnership() == BufferOwned)
             fastFree(m_data);
         else if (bufferOwnership() == BufferSubstring)
-            m_dataBuffer.asPtr<UStringImpl*>()->deref();
+            m_bufferSubstring->deref();
         else {
             ASSERT(bufferOwnership() == BufferShared);
-            m_dataBuffer.asPtr<SharedUChar*>()->deref();
+            m_bufferShared->deref();
         }
     }
 }
diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/runtime/UStringImpl.h b/src/3rdparty/javascriptcore/JavaScriptCore/runtime/UStringImpl.h
index 4e1ddc7..e6d1a8a 100644
--- a/src/3rdparty/javascriptcore/JavaScriptCore/runtime/UStringImpl.h
+++ b/src/3rdparty/javascriptcore/JavaScriptCore/runtime/UStringImpl.h
@@ -40,48 +40,6 @@ class IdentifierTable;
   
 typedef CrossThreadRefCounted<OwnFastMallocPtr<UChar> > SharedUChar;
 
-class UntypedPtrAndBitfield {
-public:
-    UntypedPtrAndBitfield() {}
-
-    UntypedPtrAndBitfield(void* ptrValue, uintptr_t bitValue)
-        : m_value(reinterpret_cast<uintptr_t>(ptrValue) | bitValue)
-#ifndef NDEBUG
-        , m_leaksPtr(ptrValue)
-#endif
-    {
-        ASSERT(ptrValue == asPtr<void*>());
-        ASSERT((*this & ~s_alignmentMask) == bitValue);
-    }
-
-    template<typename T>
-    T asPtr() const { return reinterpret_cast<T>(m_value & s_alignmentMask); }
-
-    UntypedPtrAndBitfield& operator&=(uintptr_t bits)
-    {
-        m_value &= bits | s_alignmentMask;
-        return *this;
-    }
-
-    UntypedPtrAndBitfield& operator|=(uintptr_t bits)
-    {
-        m_value |= bits & ~s_alignmentMask;
-        return *this;
-    }
-
-    uintptr_t operator&(uintptr_t mask) const
-    {
-        return m_value & mask & ~s_alignmentMask;
-    }
-
-private:
-    static const uintptr_t s_alignmentMask = ~static_cast<uintptr_t>(0x7);
-    uintptr_t m_value;
-#ifndef NDEBUG
-        void* m_leaksPtr; // Only used to allow tools like leaks on OSX to detect that the memory is referenced.
-#endif
-};
-
 class UStringImpl : Noncopyable {
 public:
     template<size_t inlineCapacity>
@@ -151,21 +109,27 @@ public:
     {
         // For substrings, return the cost of the base string.
         if (bufferOwnership() == BufferSubstring)
-            return m_dataBuffer.asPtr<UStringImpl*>()->cost();
+            return m_bufferSubstring->cost();
 
-        if (m_dataBuffer & s_reportedCostBit)
+        if (m_refCountAndFlags & s_refCountFlagHasReportedCost)
             return 0;
-        m_dataBuffer |= s_reportedCostBit;
+        m_refCountAndFlags |= s_refCountFlagHasReportedCost;
         return m_length;
     }
     unsigned hash() const { if (!m_hash) m_hash = computeHash(data(), m_length); return m_hash; }
     unsigned existingHash() const { ASSERT(m_hash); return m_hash; } // fast path for Identifiers
     void setHash(unsigned hash) { ASSERT(hash == computeHash(data(), m_length)); m_hash = hash; } // fast path for Identifiers
-    bool isIdentifier() const { return m_isIdentifier; }
-    void setIsIdentifier(bool isIdentifier) { m_isIdentifier = isIdentifier; }
+    bool isIdentifier() const { return m_refCountAndFlags & s_refCountFlagIsIdentifier; }
+    void setIsIdentifier(bool isIdentifier)
+    {
+        if (isIdentifier)
+            m_refCountAndFlags |= s_refCountFlagIsIdentifier;
+        else
+            m_refCountAndFlags &= ~s_refCountFlagIsIdentifier;
+    }
 
-    UStringImpl* ref() { m_refCount += s_refCountIncrement; return this; }
-    ALWAYS_INLINE void deref() { if (!(m_refCount -= s_refCountIncrement)) delete this; }
+    UStringImpl* ref() { m_refCountAndFlags += s_refCountIncrement; return this; }
+    ALWAYS_INLINE void deref() { m_refCountAndFlags -= s_refCountIncrement; if (!(m_refCountAndFlags & s_refCountMask)) delete this; }
 
     static void copyChars(UChar* destination, const UChar* source, unsigned numCharacters)
     {
@@ -205,11 +169,10 @@ private:
     // Used to construct normal strings with an internal or external buffer.
     UStringImpl(UChar* data, int length, BufferOwnership ownership)
         : m_data(data)
+        , m_buffer(0)
         , m_length(length)
-        , m_refCount(s_refCountIncrement)
+        , m_refCountAndFlags(s_refCountIncrement | ownership)
         , m_hash(0)
-        , m_isIdentifier(false)
-        , m_dataBuffer(0, ownership)
     {
         ASSERT((ownership == BufferInternal) || (ownership == BufferOwned));
         checkConsistency();
@@ -221,11 +184,10 @@ private:
     enum StaticStringConstructType { ConstructStaticString };
     UStringImpl(UChar* data, int length, StaticStringConstructType)
         : m_data(data)
+        , m_buffer(0)
         , m_length(length)
-        , m_refCount(s_staticRefCountInitialValue)
+        , m_refCountAndFlags(s_refCountFlagStatic | BufferOwned)
         , m_hash(0)
-        , m_isIdentifier(false)
-        , m_dataBuffer(0, BufferOwned)
     {
         checkConsistency();
     }
@@ -233,28 +195,26 @@ private:
     // Used to create new strings that are a substring of an existing string.
     UStringImpl(UChar* data, int length, PassRefPtr<UStringImpl> base)
         : m_data(data)
+        , m_bufferSubstring(base.releaseRef())
         , m_length(length)
-        , m_refCount(s_refCountIncrement)
+        , m_refCountAndFlags(s_refCountIncrement | BufferSubstring)
         , m_hash(0)
-        , m_isIdentifier(false)
-        , m_dataBuffer(base.releaseRef(), BufferSubstring)
     {
         // Do use static strings as a base for substrings; UntypedPtrAndBitfield assumes
         // that all pointers will be at least 8-byte aligned, we cannot guarantee that of
         // UStringImpls that are not heap allocated.
-        ASSERT(m_dataBuffer.asPtr<UStringImpl*>()->size());
-        ASSERT(!m_dataBuffer.asPtr<UStringImpl*>()->isStatic());
+        ASSERT(m_bufferSubstring->size());
+        ASSERT(!m_bufferSubstring->isStatic());
         checkConsistency();
     }
 
     // Used to construct new strings sharing an existing shared buffer.
     UStringImpl(UChar* data, int length, PassRefPtr<SharedUChar> sharedBuffer)
         : m_data(data)
+        , m_bufferShared(sharedBuffer.releaseRef())
         , m_length(length)
-        , m_refCount(s_refCountIncrement)
+        , m_refCountAndFlags(s_refCountIncrement | BufferShared)
         , m_hash(0)
-        , m_isIdentifier(false)
-        , m_dataBuffer(sharedBuffer.releaseRef(), BufferShared)
     {
         checkConsistency();
     }
@@ -277,26 +237,31 @@ private:
     // This number must be at least 2 to avoid sharing empty, null as well as 1 character strings from SmallStrings.
     static const int s_minLengthToShare = 10;
     static const unsigned s_copyCharsInlineCutOff = 20;
-    static const uintptr_t s_bufferOwnershipMask = 3;
-    static const uintptr_t s_reportedCostBit = 4;
     // We initialize and increment/decrement the refCount for all normal (non-static) strings by the value 2.
     // We initialize static strings with an odd number (specifically, 1), such that the refCount cannot reach zero.
-    static const int s_refCountIncrement = 2;
-    static const int s_staticRefCountInitialValue = 1;
-
-    UStringImpl* bufferOwnerString() { return (bufferOwnership() == BufferSubstring) ? m_dataBuffer.asPtr<UStringImpl*>() :  this; }
-    const UStringImpl* bufferOwnerString() const { return (bufferOwnership() == BufferSubstring) ? m_dataBuffer.asPtr<UStringImpl*>() :  this; }
+    static const unsigned s_refCountMask = 0xFFFFFFF0;
+    static const int s_refCountIncrement = 0x20;
+    static const int s_refCountFlagStatic = 0x10;
+    static const unsigned s_refCountFlagHasReportedCost = 0x8;
+    static const unsigned s_refCountFlagIsIdentifier = 0x4;
+    static const unsigned s_refCountMaskBufferOwnership = 0x3;
+
+    UStringImpl* bufferOwnerString() { return (bufferOwnership() == BufferSubstring) ? m_bufferSubstring :  this; }
+    const UStringImpl* bufferOwnerString() const { return (bufferOwnership() == BufferSubstring) ? m_bufferSubstring :  this; }
     SharedUChar* baseSharedBuffer();
-    unsigned bufferOwnership() const { return m_dataBuffer & s_bufferOwnershipMask; }
-    bool isStatic() const { return m_refCount & 1; }
+    unsigned bufferOwnership() const { return m_refCountAndFlags & s_refCountMaskBufferOwnership; }
+    bool isStatic() const { return m_refCountAndFlags & s_refCountFlagStatic; }
 
     // unshared data
     UChar* m_data;
+    union {
+        void* m_buffer;
+        UStringImpl* m_bufferSubstring;
+        SharedUChar* m_bufferShared;
+    };
     int m_length;
-    unsigned m_refCount;
-    mutable unsigned m_hash : 31;
-    mutable unsigned m_isIdentifier : 1;
-    UntypedPtrAndBitfield m_dataBuffer;
+    unsigned m_refCountAndFlags;
+    mutable unsigned m_hash;
 
     JS_EXPORTDATA static UStringImpl* s_null;
     JS_EXPORTDATA static UStringImpl* s_empty;
diff --git a/src/3rdparty/javascriptcore/VERSION b/src/3rdparty/javascriptcore/VERSION
index b4744b7..13943b2 100644
--- a/src/3rdparty/javascriptcore/VERSION
+++ b/src/3rdparty/javascriptcore/VERSION
@@ -4,8 +4,8 @@ This is a snapshot of JavaScriptCore from
 
 The commit imported was from the
 
-        javascriptcore-snapshot-24012011 branch/tag
+        javascriptcore-snapshot-27012011 branch/tag
 
 and has the sha1 checksum
 
-        d143bde5ae8cff229aebd43487a2fce5e713e990
+        3ab0f621048fbeb480b687a28ed31d92d8506150
diff --git a/src/corelib/animation/qvariantanimation.cpp b/src/corelib/animation/qvariantanimation.cpp
index 212e85d..c76cb89 100644
--- a/src/corelib/animation/qvariantanimation.cpp
+++ b/src/corelib/animation/qvariantanimation.cpp
@@ -431,12 +431,17 @@ void QVariantAnimation::registerInterpolator(QVariantAnimation::Interpolator fun
 {
     // will override any existing interpolators
     QInterpolatorVector *interpolators = registeredInterpolators();
+    // When built on solaris with GCC, the destructors can be called
+    // in such an order that we get here with interpolators == NULL,
+    // to continue causes the app to crash on exit with a SEGV
+    if (interpolators) {
 #ifndef QT_NO_THREAD
-    QMutexLocker locker(QMutexPool::globalInstanceGet(interpolators));
+        QMutexLocker locker(QMutexPool::globalInstanceGet(interpolators));
 #endif
-    if (int(interpolationType) >= interpolators->count())
-        interpolators->resize(int(interpolationType) + 1);
-    interpolators->replace(interpolationType, func);
+        if (int(interpolationType) >= interpolators->count())
+            interpolators->resize(int(interpolationType) + 1);
+        interpolators->replace(interpolationType, func);
+    }
 }
 
 
diff --git a/src/corelib/global/qnamespace.h b/src/corelib/global/qnamespace.h
index 7a6ab36..1b22c77 100644
--- a/src/corelib/global/qnamespace.h
+++ b/src/corelib/global/qnamespace.h
@@ -511,9 +511,16 @@ public:
 #if 0 // these values are reserved for Maemo5 - do not re-use them
         WA_Maemo5NonComposited = 126,
         WA_Maemo5StackedWindow = 127,
-        WA_Maemo5PortraitOrientation = 128,
-        WA_Maemo5LandscapeOrientation = 129,
-        WA_Maemo5AutoOrientation = 130,
+#endif
+
+        WA_LockPortraitOrientation = 128,
+        WA_LockLandscapeOrientation = 129,
+        WA_AutoOrientation = 130,
+
+#if 0 // these values are reserved for Maemo5 - do not re-use them
+        WA_Maemo5PortraitOrientation = WA_LockPortraitOrientation,
+        WA_Maemo5LandscapeOrientation = WA_LockLandscapeOrientation,
+        WA_Maemo5AutoOrientation = WA_AutoOrientation,
         WA_Maemo5ShowProgressIndicator = 131,
 #endif
 
diff --git a/src/corelib/thread/qthread.cpp b/src/corelib/thread/qthread.cpp
index 1494745..b8f891c 100644
--- a/src/corelib/thread/qthread.cpp
+++ b/src/corelib/thread/qthread.cpp
@@ -488,10 +488,7 @@ int QThread::exec()
     Q_D(QThread);
     QMutexLocker locker(&d->mutex);
     d->data->quitNow = false;
-    if (d->exited) {
-        d->exited = false;
-        return d->returnCode;
-    }
+    d->exited = false;
     locker.unlock();
 
     QEventLoop eventLoop;
diff --git a/src/corelib/tools/qsharedpointer_impl.h b/src/corelib/tools/qsharedpointer_impl.h
index 273c5bd..b29e5b6 100644
--- a/src/corelib/tools/qsharedpointer_impl.h
+++ b/src/corelib/tools/qsharedpointer_impl.h
@@ -44,7 +44,17 @@
 #ifndef QSHAREDPOINTER_H
 #error Do not include qsharedpointer_impl.h directly
 #endif
+
 #if 0
+// These macros are duplicated here to make syncqt not complain a about
+// this header, as we have a "qt_sync_stop_processing" below, which in turn
+// is here because this file contains a template mess and duplicates the
+// classes found in qsharedpointer.h
+QT_BEGIN_HEADER
+QT_BEGIN_NAMESPACE
+QT_MODULE(Core)
+QT_END_NAMESPACE
+QT_END_HEADER
 #pragma qt_sync_stop_processing
 #endif
 
diff --git a/src/dbus/qdbusintegrator.cpp b/src/dbus/qdbusintegrator.cpp
index 3c0cb6e..1358524 100644
--- a/src/dbus/qdbusintegrator.cpp
+++ b/src/dbus/qdbusintegrator.cpp
@@ -558,8 +558,9 @@ bool QDBusConnectionPrivate::handleMessage(const QDBusMessage &amsg)
     switch (amsg.type()) {
     case QDBusMessage::SignalMessage:
         handleSignal(amsg);
-        return true;
-        break;
+        // if there are any other filters in this DBusConnection,
+        // let them see the signal too
+        return false;
     case QDBusMessage::MethodCallMessage:
         handleObjectCall(amsg);
         return true;
diff --git a/src/gui/kernel/qmacgesturerecognizer_mac.mm b/src/gui/kernel/qmacgesturerecognizer_mac.mm
index 0e432f3..6a4f0bb 100644
--- a/src/gui/kernel/qmacgesturerecognizer_mac.mm
+++ b/src/gui/kernel/qmacgesturerecognizer_mac.mm
@@ -69,6 +69,7 @@ QMacSwipeGestureRecognizer::recognize(QGesture *gesture, QObject *obj, QEvent *e
             case QNativeGestureEvent::Swipe: {
                 QSwipeGesture *g = static_cast<QSwipeGesture *>(gesture);
                 g->setSwipeAngle(ev->angle);
+                g->setHotSpot(ev->position);
                 return QGestureRecognizer::FinishGesture | QGestureRecognizer::ConsumeEventHint;
                 break; }
             default:
@@ -110,6 +111,7 @@ QMacPinchGestureRecognizer::recognize(QGesture *gesture, QObject *obj, QEvent *e
             g->setCenterPoint(g->startCenterPoint());
             g->setChangeFlags(QPinchGesture::CenterPointChanged);
             g->setTotalChangeFlags(g->totalChangeFlags() | g->changeFlags());
+            g->setHotSpot(ev->position);
             return QGestureRecognizer::MayBeGesture | QGestureRecognizer::ConsumeEventHint;
         case QNativeGestureEvent::Rotate: {
             g->setLastScaleFactor(g->scaleFactor());
@@ -117,6 +119,7 @@ QMacPinchGestureRecognizer::recognize(QGesture *gesture, QObject *obj, QEvent *e
             g->setRotationAngle(g->rotationAngle() + ev->percentage);
             g->setChangeFlags(QPinchGesture::RotationAngleChanged);
             g->setTotalChangeFlags(g->totalChangeFlags() | g->changeFlags());
+            g->setHotSpot(ev->position);
             return QGestureRecognizer::TriggerGesture | QGestureRecognizer::ConsumeEventHint;
         }
         case QNativeGestureEvent::Zoom:
@@ -125,6 +128,7 @@ QMacPinchGestureRecognizer::recognize(QGesture *gesture, QObject *obj, QEvent *e
             g->setScaleFactor(g->scaleFactor() * (1 + ev->percentage));
             g->setChangeFlags(QPinchGesture::ScaleFactorChanged);
             g->setTotalChangeFlags(g->totalChangeFlags() | g->changeFlags());
+            g->setHotSpot(ev->position);
             return QGestureRecognizer::TriggerGesture | QGestureRecognizer::ConsumeEventHint;
         case QNativeGestureEvent::GestureEnd:
             return QGestureRecognizer::FinishGesture | QGestureRecognizer::ConsumeEventHint;
@@ -221,6 +225,7 @@ QMacPanGestureRecognizer::recognize(QGesture *gesture, QObject *target, QEvent *
                 const QPointF posOffset = p - _startPos;
                 g->setLastOffset(g->offset());
                 g->setOffset(QPointF(posOffset.x(), posOffset.y()));
+                g->setHotSpot(_startPos);
                 return QGestureRecognizer::TriggerGesture;
             }
         } else if (_panTimer.isActive()) {
@@ -239,6 +244,7 @@ QMacPanGestureRecognizer::recognize(QGesture *gesture, QObject *target, QEvent *
                 break;
             // Begin new pan session!
             _startPos = QCursor::pos();
+            g->setHotSpot(_startPos);
             return QGestureRecognizer::TriggerGesture | QGestureRecognizer::ConsumeEventHint;
         }
         break; }
diff --git a/src/gui/kernel/qt_s60_p.h b/src/gui/kernel/qt_s60_p.h
index fdb35d5..40697bf 100644
--- a/src/gui/kernel/qt_s60_p.h
+++ b/src/gui/kernel/qt_s60_p.h
@@ -141,6 +141,7 @@ public:
     int supportsPremultipliedAlpha : 1;
     int avkonComponentsSupportTransparency : 1;
     int menuBeingConstructed : 1;
+    int orientationSet : 1;
     QApplication::QS60MainApplicationFactory s60ApplicationFactory; // typedef'ed pointer type
     static CEikButtonGroupContainer *cba;
 
@@ -295,6 +296,7 @@ inline QS60Data::QS60Data()
   supportsPremultipliedAlpha(0),
   avkonComponentsSupportTransparency(0),
   menuBeingConstructed(0),
+  orientationSet(0),
   s60ApplicationFactory(0)
 #ifdef Q_OS_SYMBIAN
   ,s60InstalledTrapHandler(0)
diff --git a/src/gui/kernel/qwidget.cpp b/src/gui/kernel/qwidget.cpp
index 547da11..475d4da 100644
--- a/src/gui/kernel/qwidget.cpp
+++ b/src/gui/kernel/qwidget.cpp
@@ -127,6 +127,10 @@
 #include "qtabwidget.h" // Needed in inTabWidget()
 #endif // QT_KEYPAD_NAVIGATION
 
+#ifdef Q_WS_S60
+#include <aknappui.h>
+#endif
+
 // widget/widget data creation count
 //#define QWIDGET_EXTRA_DEBUG
 //#define ALIEN_DEBUG
@@ -10871,6 +10875,42 @@ void QWidget::setAttribute(Qt::WidgetAttribute attribute, bool on)
             d->registerTouchWindow();
 #endif
         break;
+    case Qt::WA_LockPortraitOrientation:
+    case Qt::WA_LockLandscapeOrientation:
+    case Qt::WA_AutoOrientation: {
+        const Qt::WidgetAttribute orientations[3] = {
+            Qt::WA_LockPortraitOrientation,
+            Qt::WA_LockLandscapeOrientation,
+            Qt::WA_AutoOrientation
+        };
+
+        if (on) {
+            // We can only have one of these set at a time
+            for (int i = 0; i < 3; ++i) {
+                if (orientations[i] != attribute)
+                    setAttribute_internal(orientations[i], false, data, d);
+            }
+        }
+
+#ifdef Q_WS_S60
+        CAknAppUiBase* appUi = static_cast<CAknAppUiBase*>(CEikonEnv::Static()->EikAppUi());
+        const CAknAppUiBase::TAppUiOrientation s60orientations[] = {
+            CAknAppUiBase::EAppUiOrientationPortrait,
+            CAknAppUiBase::EAppUiOrientationLandscape,
+            CAknAppUiBase::EAppUiOrientationAutomatic
+        };
+        CAknAppUiBase::TAppUiOrientation s60orientation = CAknAppUiBase::EAppUiOrientationUnspecified;
+        for (int i = 0; i < 3; ++i) {
+            if (testAttribute(orientations[i])) {
+                s60orientation = s60orientations[i];
+                break;
+            }
+        }
+        QT_TRAP_THROWING(appUi->SetOrientationL(s60orientation));
+        S60->orientationSet = true;
+#endif
+        break;
+    }
     default:
         break;
     }
diff --git a/src/gui/widgets/qcombobox.cpp b/src/gui/widgets/qcombobox.cpp
index 7946137..b5dda5a 100644
--- a/src/gui/widgets/qcombobox.cpp
+++ b/src/gui/widgets/qcombobox.cpp
@@ -2486,10 +2486,18 @@ void QComboBox::showPopup()
             listRect.setWidth(listRect.height());
             //by default popup is centered on screen in landscape
             listRect.moveCenter(screen.center());
-            if (staConTopRect.IsEmpty() && AknLayoutUtils::CbaLocation() != AknLayoutUtils::EAknCbaLocationBottom) {
-                // landscape without stacon, menu should be at the right
-                (opt.direction == Qt::LeftToRight) ? listRect.setRight(screen.right()) :
-                                                     listRect.setLeft(screen.left());
+            if (staConTopRect.IsEmpty()) {
+                TRect cbaRect = TRect();
+                AknLayoutUtils::LayoutMetricsRect(AknLayoutUtils::EControlPane, cbaRect);
+                AknLayoutUtils::TAknCbaLocation cbaLocation = AknLayoutUtils::CbaLocation();
+                switch (cbaLocation) {
+                case AknLayoutUtils::EAknCbaLocationRight:
+                    listRect.setRight(screen.right());
+                    break;
+                case AknLayoutUtils::EAknCbaLocationLeft:
+                    listRect.setLeft(screen.left());
+                    break;
+                }
             }
         }
 #endif
diff --git a/src/network/access/qnetworkaccessftpbackend.cpp b/src/network/access/qnetworkaccessftpbackend.cpp
index bad010f..e34e6bb 100644
--- a/src/network/access/qnetworkaccessftpbackend.cpp
+++ b/src/network/access/qnetworkaccessftpbackend.cpp
@@ -307,8 +307,10 @@ void QNetworkAccessFtpBackend::ftpDone()
             // logged in successfully, send the stat requests (if supported)
             QString command = url().path();
             command.prepend(QLatin1String("%1 "));
-            if (supportsSize)
+            if (supportsSize) {
+                ftp->rawCommand(QLatin1String("TYPE I"));
                 sizeId = ftp->rawCommand(command.arg(QLatin1String("SIZE"))); // get size
+            }
             if (supportsMdtm)
                 mdtmId = ftp->rawCommand(command.arg(QLatin1String("MDTM"))); // get modified time
             if (!supportsSize && !supportsMdtm)
diff --git a/src/network/access/qnetworkreplyimpl.cpp b/src/network/access/qnetworkreplyimpl.cpp
index 9069b14..41a6c62 100644
--- a/src/network/access/qnetworkreplyimpl.cpp
+++ b/src/network/access/qnetworkreplyimpl.cpp
@@ -115,7 +115,7 @@ void QNetworkReplyImplPrivate::_q_startOperation()
     }
 #endif
 
-    if (backend->isSynchronous()) {
+    if (backend && backend->isSynchronous()) {
         state = Finished;
         q_func()->setFinished(true);
     } else {
@@ -307,7 +307,7 @@ void QNetworkReplyImplPrivate::setup(QNetworkAccessManager::Operation op, const
     // in QtWebKit.
     QVariant synchronousHttpAttribute = req.attribute(
             static_cast<QNetworkRequest::Attribute>(QNetworkRequest::DownloadBufferAttribute + 1));
-    if (synchronousHttpAttribute.toBool()) {
+    if (backend && synchronousHttpAttribute.toBool()) {
         backend->setSynchronous(true);
         if (outgoingData && outgoingData->isSequential()) {
             outgoingDataBuffer = new QRingBuffer();
@@ -362,7 +362,7 @@ void QNetworkReplyImplPrivate::setup(QNetworkAccessManager::Operation op, const
             QMetaObject::invokeMethod(q, "_q_startOperation", Qt::QueuedConnection);
         }
 #else
-        if (backend->isSynchronous())
+        if (backend && backend->isSynchronous())
             _q_startOperation();
         else
             QMetaObject::invokeMethod(q, "_q_startOperation", Qt::QueuedConnection);
diff --git a/src/script/api/qscriptengine.cpp b/src/script/api/qscriptengine.cpp
index 004e3a5..e3291e0 100644
--- a/src/script/api/qscriptengine.cpp
+++ b/src/script/api/qscriptengine.cpp
@@ -1022,6 +1022,7 @@ QScriptEnginePrivate::~QScriptEnginePrivate()
     while (!ownedAgents.isEmpty())
         delete ownedAgents.takeFirst();
 
+    detachAllRegisteredScriptPrograms();
     detachAllRegisteredScriptValues();
     detachAllRegisteredScriptStrings();
     qDeleteAll(m_qobjectData);
@@ -1576,6 +1577,14 @@ bool QScriptEnginePrivate::scriptDisconnect(JSC::JSValue signal, JSC::JSValue re
 
 #endif
 
+void QScriptEnginePrivate::detachAllRegisteredScriptPrograms()
+{
+    QSet<QScriptProgramPrivate*>::const_iterator it;
+    for (it = registeredScriptPrograms.constBegin(); it != registeredScriptPrograms.constEnd(); ++it)
+        (*it)->detachFromEngine();
+    registeredScriptPrograms.clear();
+}
+
 void QScriptEnginePrivate::detachAllRegisteredScriptValues()
 {
     QScriptValuePrivate *it;
diff --git a/src/script/api/qscriptengine_p.h b/src/script/api/qscriptengine_p.h
index 05a8901..f8144e9 100644
--- a/src/script/api/qscriptengine_p.h
+++ b/src/script/api/qscriptengine_p.h
@@ -87,6 +87,7 @@ class QScriptEngineAgent;
 class QScriptEnginePrivate;
 class QScriptSyntaxCheckResult;
 class QScriptEngine;
+class QScriptProgramPrivate;
 
 namespace QScript
 {
@@ -273,6 +274,10 @@ public:
     static QScriptSyntaxCheckResult checkSyntax(const QString &program);
     static bool canEvaluate(const QString &program);
 
+    inline void registerScriptProgram(QScriptProgramPrivate *program);
+    inline void unregisterScriptProgram(QScriptProgramPrivate *program);
+    void detachAllRegisteredScriptPrograms();
+
     inline QScriptValuePrivate *allocateScriptValuePrivate(size_t);
     inline void freeScriptValuePrivate(QScriptValuePrivate *p);
 
@@ -368,6 +373,7 @@ public:
     static const int maxFreeScriptValues = 256;
     int freeScriptValuesCount;
     QScriptStringPrivate *registeredScriptStrings;
+    QSet<QScriptProgramPrivate*> registeredScriptPrograms;
     QHash<int, QScriptTypeInfo*> m_typeInfos;
     int processEventsInterval;
     QScriptValue abortResult;
@@ -566,6 +572,18 @@ inline QByteArray convertToLatin1(const JSC::UString &str)
 
 } // namespace QScript
 
+inline void QScriptEnginePrivate::registerScriptProgram(QScriptProgramPrivate *program)
+{
+    Q_ASSERT(!registeredScriptPrograms.contains(program));
+    registeredScriptPrograms.insert(program);
+}
+
+inline void QScriptEnginePrivate::unregisterScriptProgram(QScriptProgramPrivate *program)
+{
+    Q_ASSERT(registeredScriptPrograms.contains(program));
+    registeredScriptPrograms.remove(program);
+}
+
 inline QScriptValuePrivate *QScriptEnginePrivate::allocateScriptValuePrivate(size_t size)
 {
     if (freeScriptValues) {
diff --git a/src/script/api/qscriptprogram.cpp b/src/script/api/qscriptprogram.cpp
index da103bb..31af9a0 100644
--- a/src/script/api/qscriptprogram.cpp
+++ b/src/script/api/qscriptprogram.cpp
@@ -64,6 +64,7 @@ QScriptProgramPrivate::~QScriptProgramPrivate()
     if (engine) {
         QScript::APIShim shim(engine);
         _executable.clear();
+        engine->unregisterScriptProgram(this);
     }
 }
 
@@ -78,7 +79,10 @@ JSC::EvalExecutable *QScriptProgramPrivate::executable(JSC::ExecState *exec,
     if (_executable) {
         if (eng == engine)
             return _executable.get();
-        _executable = 0;
+        // "Migrating" to another engine; clean up old state
+        QScript::APIShim shim(engine);
+        _executable.clear();
+        engine->unregisterScriptProgram(this);
     }
     WTF::PassRefPtr<QScript::UStringSourceProviderWithFeedback> provider
         = QScript::UStringSourceProviderWithFeedback::create(sourceCode, fileName, firstLineNumber, eng);
@@ -86,10 +90,19 @@ JSC::EvalExecutable *QScriptProgramPrivate::executable(JSC::ExecState *exec,
     JSC::SourceCode source(provider, firstLineNumber); //after construction of SourceCode provider variable will be null.
     _executable = JSC::EvalExecutable::create(exec, source);
     engine = eng;
+    engine->registerScriptProgram(this);
     isCompiled = false;
     return _executable.get();
 }
 
+void QScriptProgramPrivate::detachFromEngine()
+{
+    _executable.clear();
+    sourceId = -1;
+    isCompiled = false;
+    engine = 0;
+}
+
 /*!
   Constructs a null QScriptProgram.
 */
@@ -122,9 +135,6 @@ QScriptProgram::QScriptProgram(const QScriptProgram &other)
 */
 QScriptProgram::~QScriptProgram()
 {
-    //    Q_D(QScriptProgram);
-    //    if (d->engine && (d->ref == 1))
-    //      d->engine->unregisterScriptProgram(d);
 }
 
 /*!
@@ -132,9 +142,6 @@ QScriptProgram::~QScriptProgram()
 */
 QScriptProgram &QScriptProgram::operator=(const QScriptProgram &other)
 {
-  //    if (d_func() && d_func()->engine && (d_func()->ref == 1))
-      //        d_func()->engine->unregisterScriptProgram(d_func());
-  //    }
     d_ptr = other.d_ptr;
     return *this;
 }
diff --git a/src/script/api/qscriptprogram_p.h b/src/script/api/qscriptprogram_p.h
index d2fd234..e7809ab 100644
--- a/src/script/api/qscriptprogram_p.h
+++ b/src/script/api/qscriptprogram_p.h
@@ -61,6 +61,7 @@ public:
 
     JSC::EvalExecutable *executable(JSC::ExecState *exec,
                                     QScriptEnginePrivate *engine);
+    void detachFromEngine();
 
     QBasicAtomicInt ref;
 
diff --git a/src/sql/drivers/odbc/qsql_odbc.cpp b/src/sql/drivers/odbc/qsql_odbc.cpp
index 1573d02..0b534d9 100644
--- a/src/sql/drivers/odbc/qsql_odbc.cpp
+++ b/src/sql/drivers/odbc/qsql_odbc.cpp
@@ -214,7 +214,7 @@ static QString qWarnODBCHandle(int handleType, SQLHANDLE handle, int *nativeCode
                           state_,
                           &nativeCode_,
                           0,
-                          NULL,
+                          0,
                           &msgLen);
         if ((r == SQL_SUCCESS || r == SQL_SUCCESS_WITH_INFO) && msgLen > 0)
             description_.resize(msgLen+1);
diff --git a/src/sql/drivers/psql/qsql_psql.cpp b/src/sql/drivers/psql/qsql_psql.cpp
index 5a32d1a..34277b3 100644
--- a/src/sql/drivers/psql/qsql_psql.cpp
+++ b/src/sql/drivers/psql/qsql_psql.cpp
@@ -1021,6 +1021,9 @@ QSqlIndex QPSQLDriver::primaryIndex(const QString& tablename) const
             stmt = stmt.arg(QString::fromLatin1("pg_class.relnamespace = (select oid from "
                    "pg_namespace where pg_namespace.nspname = '%1') AND ").arg(schema));
         break;
+    case QPSQLDriver::VersionUnknown:
+        qFatal("PSQL version is unknown");
+        break;
     }
 
     i.exec(stmt.arg(tbl));
@@ -1110,6 +1113,9 @@ QSqlRecord QPSQLDriver::record(const QString& tablename) const
             stmt = stmt.arg(QString::fromLatin1("pg_class.relnamespace = (select oid from "
                    "pg_namespace where pg_namespace.nspname = '%1')").arg(schema));
         break;
+    case QPSQLDriver::VersionUnknown:
+        qFatal("PSQL version is unknown");
+        break;
     }
 
     QSqlQuery query(createResult());
diff --git a/tests/auto/qcoreapplication/tst_qcoreapplication.cpp b/tests/auto/qcoreapplication/tst_qcoreapplication.cpp
index 95055d1..bc69461 100644
--- a/tests/auto/qcoreapplication/tst_qcoreapplication.cpp
+++ b/tests/auto/qcoreapplication/tst_qcoreapplication.cpp
@@ -59,6 +59,9 @@ private slots:
     void applicationPid();
     void globalPostedEventsCount();
     void processEventsAlwaysSendsPostedEvents();
+    void reexec();
+    void execAfterExit();
+    void eventLoopExecAfterExit();
 };
 
 class EventSpy : public QObject
@@ -524,5 +527,47 @@ void tst_QCoreApplication::processEventsAlwaysSendsPostedEvents()
     } while (t.elapsed() < 3000);
 }
 
+void tst_QCoreApplication::reexec()
+{
+    int argc = 1;
+    char *argv[] = { "tst_qcoreapplication" };
+    QCoreApplication app(argc, argv);
+
+    // exec once
+    QMetaObject::invokeMethod(&app, "quit", Qt::QueuedConnection);
+    QCOMPARE(app.exec(), 0);
+
+    // and again
+    QMetaObject::invokeMethod(&app, "quit", Qt::QueuedConnection);
+    QCOMPARE(app.exec(), 0);
+}
+
+void tst_QCoreApplication::execAfterExit()
+{
+    int argc = 1;
+    char *argv[] = { "tst_qcoreapplication" };
+    QCoreApplication app(argc, argv);
+
+    app.exit(1);
+    QMetaObject::invokeMethod(&app, "quit", Qt::QueuedConnection);
+    QCOMPARE(app.exec(), 0);
+}
+
+void tst_QCoreApplication::eventLoopExecAfterExit()
+{
+    int argc = 1;
+    char *argv[] = { "tst_qcoreapplication" };
+    QCoreApplication app(argc, argv);
+
+    // exec once and exit
+    QMetaObject::invokeMethod(&app, "quit", Qt::QueuedConnection);
+    QCOMPARE(app.exec(), 0);
+
+    // and again, but this time using a QEventLoop
+    QEventLoop loop;
+    QMetaObject::invokeMethod(&loop, "quit", Qt::QueuedConnection);
+    QCOMPARE(loop.exec(), 0);
+}
+
 QTEST_APPLESS_MAIN(tst_QCoreApplication)
 #include "tst_qcoreapplication.moc"
diff --git a/tests/auto/qeventloop/tst_qeventloop.cpp b/tests/auto/qeventloop/tst_qeventloop.cpp
index 7af722f..6860f19 100644
--- a/tests/auto/qeventloop/tst_qeventloop.cpp
+++ b/tests/auto/qeventloop/tst_qeventloop.cpp
@@ -112,6 +112,10 @@ signals:
 public:
     QMutex mutex;
     QWaitCondition cond;
+    volatile int result1;
+    volatile int result2;
+    MultipleExecThread() : result1(0xdead), result2(0xbeef) {}
+
     void run()
     {
         QMutexLocker locker(&mutex);
@@ -124,13 +128,13 @@ public:
         connect(&timer, SIGNAL(timeout()), SLOT(quit()), Qt::DirectConnection);
         timer.setInterval(1000);
         timer.start();
-        (void) exec();
+        result1 = exec();
 
         // this should return immediately, since exit() has been called
         cond.wakeOne();
         cond.wait(&mutex);
         QEventLoop eventLoop;
-        (void) eventLoop.exec();
+        result2 = eventLoop.exec();
     }
 };
 
@@ -197,7 +201,9 @@ private slots:
     void symbianNestedActiveSchedulerLoop();
     void processEvents();
     void exec();
+    void reexec();
     void exit();
+    void execAfterExit();
     void wakeUp();
     void quit();
     void processEventsExcludeSocket();
@@ -398,7 +404,9 @@ void tst_QEventLoop::exec()
     }
 
     {
-        // calling exec() after exit()/quit() should return immediately
+        // calling QEventLoop::exec() after a thread loop has exit()ed should return immediately
+        // Note: this behaviour differs from QCoreApplication and QEventLoop
+        // see tst_QCoreApplication::eventLoopExecAfterExit, tst_QEventLoop::reexec
         MultipleExecThread thread;
 
         // start thread and wait for checkpoint
@@ -411,6 +419,8 @@ void tst_QEventLoop::exec()
         thread.cond.wakeOne();
         thread.cond.wait(&thread.mutex);
         QVERIFY(spy.count() > 0);
+        int v = thread.result1;
+        QCOMPARE(v, 0);
 
         // exec should return immediately
         spy.clear();
@@ -418,6 +428,8 @@ void tst_QEventLoop::exec()
         thread.mutex.unlock();
         thread.wait();
         QCOMPARE(spy.count(), 0);
+        v = thread.result2;
+        QCOMPARE(v, -1);
     }
 
     {
@@ -462,9 +474,32 @@ void tst_QEventLoop::exec()
 #endif
 }
 
+void tst_QEventLoop::reexec()
+{
+    QEventLoop loop;
+
+    // exec once
+    QMetaObject::invokeMethod(&loop, "quit", Qt::QueuedConnection);
+    QCOMPARE(loop.exec(), 0);
+
+    // and again
+    QMetaObject::invokeMethod(&loop, "quit", Qt::QueuedConnection);
+    QCOMPARE(loop.exec(), 0);
+}
+
 void tst_QEventLoop::exit()
 { DEPENDS_ON(exec()); }
 
+void tst_QEventLoop::execAfterExit()
+{
+    QEventLoop loop;
+    EventLoopExiter obj(&loop);
+
+    QMetaObject::invokeMethod(&obj, "exit", Qt::QueuedConnection);
+    loop.exit(1);
+    QCOMPARE(loop.exec(), 0);
+}
+
 void tst_QEventLoop::wakeUp()
 {
     EventLoopThread thread;
diff --git a/tests/auto/qglthreads/tst_qglthreads.cpp b/tests/auto/qglthreads/tst_qglthreads.cpp
index 434fd9d..45c8cbc 100644
--- a/tests/auto/qglthreads/tst_qglthreads.cpp
+++ b/tests/auto/qglthreads/tst_qglthreads.cpp
@@ -210,7 +210,7 @@ public:
             // That's why we create only small textures.
             width = 50;
             height = 20;
-#else
+#endif
             QImage image(width, height, QImage::Format_RGB32);
             QPainter p(&image);
             p.fillRect(image.rect(), QColor(rand() % 256, rand() % 256, rand() % 256));
diff --git a/tests/auto/qthread/tst_qthread.cpp b/tests/auto/qthread/tst_qthread.cpp
index 19c6c16..6b5504d 100644
--- a/tests/auto/qthread/tst_qthread.cpp
+++ b/tests/auto/qthread/tst_qthread.cpp
@@ -86,6 +86,7 @@ private slots:
     void start();
     void terminate();
     void quit();
+    void execAfterQuit();
     void wait();
     void started();
     void finished();
@@ -271,6 +272,34 @@ public:
     }
 };
 
+class ExecAfterQuitThreadHelper: public QObject
+{
+    Q_OBJECT
+    QThread *thr;
+public:
+    ExecAfterQuitThreadHelper(QThread *thr) : thr(thr) {}
+public slots:
+    void doIt() { thr->exit(0); }
+};
+
+class ExecAfterQuitThread: public QThread
+{
+public:
+    int returnValue;
+    void run()
+    {
+        ExecAfterQuitThreadHelper obj(this);
+
+        QMetaObject::invokeMethod(&obj, "doIt", Qt::QueuedConnection);
+        exit(1);
+
+        // returnValue will be either 0 or 1, depending on which of the two
+        // above take effect. The correct value is 0, since exit(1) before
+        // exec() should have no effect
+        returnValue = exec();
+    }
+};
+
 tst_QThread::tst_QThread()
 
 {
@@ -430,34 +459,52 @@ void tst_QThread::stackSize()
 
 void tst_QThread::exit()
 {
-    Exit_Thread thread;
-    thread.object = new Exit_Object;
-    thread.object->moveToThread(&thread);
-    thread.code = 42;
-    thread.result = 0;
-    QVERIFY(!thread.isFinished());
-    QVERIFY(!thread.isRunning());
-    QMutexLocker locker(&thread.mutex);
-    thread.start();
-    QVERIFY(thread.isRunning());
-    QVERIFY(!thread.isFinished());
-    thread.cond.wait(locker.mutex());
-    QVERIFY(thread.wait(five_minutes));
-    QVERIFY(thread.isFinished());
-    QVERIFY(!thread.isRunning());
-    QCOMPARE(thread.result, thread.code);
-    delete thread.object;
-
-    Exit_Thread thread2;
-    thread2.object = 0;
-    thread2.code = 53;
-    thread2.result = 0;
-    QMutexLocker locker2(&thread2.mutex);
-    thread2.start();
-    thread2.exit(thread2.code);
-    thread2.cond.wait(locker2.mutex());
-    QVERIFY(thread2.wait(five_minutes));
-    QCOMPARE(thread2.result, thread2.code);
+    {
+        Exit_Thread thread;
+        thread.object = new Exit_Object;
+        thread.object->moveToThread(&thread);
+        thread.code = 42;
+        thread.result = 0;
+        QVERIFY(!thread.isFinished());
+        QVERIFY(!thread.isRunning());
+
+        QMutexLocker locker(&thread.mutex);
+        thread.start();
+        QVERIFY(thread.isRunning());
+        QVERIFY(!thread.isFinished());
+        // but the thread is not running the event loop yet (the mutex is locked)
+
+        // start the event loop
+        thread.cond.wait(locker.mutex());
+
+        // the Exit_Object above will cause the thread to exit
+        QVERIFY(thread.wait(five_minutes));
+        QVERIFY(thread.isFinished());
+        QVERIFY(!thread.isRunning());
+        QCOMPARE(thread.result, thread.code);
+        delete thread.object;
+    }
+
+    {
+        Exit_Thread thread2;
+        thread2.object = 0;
+        thread2.code = 53;
+        thread2.result = 0;
+        QMutexLocker locker2(&thread2.mutex);
+        thread2.start();
+
+        // the mutex is locked, so the thread has *not* started running the event loop yet
+        // this will do nothing:
+        thread2.exit(thread2.code);
+
+        // the thread will now start running
+        thread2.cond.wait(locker2.mutex());
+
+        // this will cause it to exit now
+        thread2.exit(++thread2.code);
+        QVERIFY(thread2.wait(five_minutes));
+        QCOMPARE(thread2.result, thread2.code);
+    }
 }
 
 void tst_QThread::start()
@@ -504,32 +551,59 @@ void tst_QThread::terminate()
 
 void tst_QThread::quit()
 {
-    Quit_Thread thread;
-    thread.object = new Quit_Object;
-    thread.object->moveToThread(&thread);
-    thread.result = -1;
-    QVERIFY(!thread.isFinished());
-    QVERIFY(!thread.isRunning());
-    QMutexLocker locker(&thread.mutex);
+    // very similar to exit() above
+    {
+        Quit_Thread thread;
+        thread.object = new Quit_Object;
+        thread.object->moveToThread(&thread);
+        thread.result = -1;
+        QVERIFY(!thread.isFinished());
+        QVERIFY(!thread.isRunning());
+
+        // start the thread, but keep the event loop from starting
+        // (while the mutex is locked)
+        QMutexLocker locker(&thread.mutex);
+        thread.start();
+        QVERIFY(thread.isRunning());
+        QVERIFY(!thread.isFinished());
+
+        // unlock the mutex and let the event loop run
+        // the Quit_Object above will cause the thread to quit
+        thread.cond.wait(locker.mutex());
+        QVERIFY(thread.wait(five_minutes));
+        QVERIFY(thread.isFinished());
+        QVERIFY(!thread.isRunning());
+        QCOMPARE(thread.result, 0);
+        delete thread.object;
+    }
+
+    {
+        Quit_Thread thread2;
+        thread2.object = 0;
+        thread2.result = -1;
+
+        // start the thread, but keep the event loop from starting
+        // (while the mutex is locked)
+        QMutexLocker locker2(&thread2.mutex);
+        thread2.start();
+        thread2.quit(); // does nothing, the event loop is not running!
+
+        // unlock the mutex and let the event loop run
+        thread2.cond.wait(locker2.mutex());
+
+        // there's no Quit_Object so it won't quit on its own
+        thread2.quit();
+        QVERIFY(thread2.wait(five_minutes));
+        QCOMPARE(thread2.result, 0);
+    }
+}
+
+void tst_QThread::execAfterQuit()
+{
+    ExecAfterQuitThread thread;
     thread.start();
-    QVERIFY(thread.isRunning());
-    QVERIFY(!thread.isFinished());
-    thread.cond.wait(locker.mutex());
-    QVERIFY(thread.wait(five_minutes));
-    QVERIFY(thread.isFinished());
-    QVERIFY(!thread.isRunning());
-    QCOMPARE(thread.result, 0);
-    delete thread.object;
-
-    Quit_Thread thread2;
-    thread2.object = 0;
-    thread2.result = -1;
-    QMutexLocker locker2(&thread2.mutex);
-    thread2.start();
-    thread2.quit();
-    thread2.cond.wait(locker2.mutex());
-    QVERIFY(thread2.wait(five_minutes));
-    QCOMPARE(thread2.result, 0);
+    QVERIFY(thread.wait());
+    QCOMPARE(thread.returnValue, 0);
 }
 
 void tst_QThread::wait()
@@ -999,8 +1073,17 @@ void tst_QThread::QTBUG15378_exitAndExec()
     Thread thread;
     thread.value = 0;
     thread.start();
-    thread.exit(556);
-    thread.sem1.release(); //should exit the first loop
+    thread.exit(42); // will do nothing, this value should not appear
+    thread.sem1.release(); //should enter the first loop
+
+    Exit_Object *exit_object = new Exit_Object;
+    exit_object->code = 556;
+    exit_object->thread = &thread;
+    QMetaObject::invokeMethod(exit_object, "slot", Qt::QueuedConnection);
+    exit_object->deleteLater();
+    exit_object->moveToThread(&thread); // should exit the first loop
+    exit_object = 0;
+
     thread.sem2.acquire();
     int v = thread.value;
     QCOMPARE(v, 556);