Merge branch '4.7' of scm.dev.nokia.troll.no:qt/oslo-staging-1 into 4.7-integration

* '4.7' of scm.dev.nokia.troll.no:qt/oslo-staging-1: (21 commits)
  Fix compilation of QMutableSetIterator::value() with QT_STRICT_ITERATORS
  Fix the compilation error that the previous fix didn't fix
  Use the thread-default glib context for the DBus connection in the ICD bearer manager.
  Check that _POSIX_THREAD_SAFE_FUNCTIONS is larger than zero.
  Use an increasing size for the getpwuid_r buffer.
  Make sure we use at least 1024 bytes when calling getpwuid_r.
  Fix compilation error: symbol is namespaced.
  Don't crash when creating backtrace for built-in JS function (2nd try)
  Revert "Improved performance of mapFromGlobal/mapToGlobal on X11"
  QtDBus: do not wait for reply for AddMatch and RemoveMatch
  Make qdbus show all types, even those that it doesn't know about
  Doc: Fix the docs saying what the locale codec is used for
  Autotest: simple improvements
  Autotest: Use QElapsedTimer for timings
  directfb: Pixmap creation always premultiplied the alpha even when it is already premultiplied in the image.
  Don't crash when BMP color table is broken
  Designer: Fix a crash in the Signal-Slot-Editor.
  complain about unmatched quotes/parens
  use const ref
  move multiple inclusion check for feature files to correct location
  ...

1 files changed, 4 insertions, 3 deletions

diff --git a/src/script/api/qscriptcontextinfo.cpp b/src/script/api/qscriptcontextinfo.cpp
index db6b2d7..0f9de1d 100644
--- a/src/script/api/qscriptcontextinfo.cpp
+++ b/src/script/api/qscriptcontextinfo.cpp
@@ -157,7 +157,7 @@ QScriptContextInfoPrivate::QScriptContextInfoPrivate(const QScriptContext *conte
 
             JSC::Instruction *returnPC = rewindContext->returnPC();
             JSC::CodeBlock *codeBlock = frame->codeBlock();
-            if (returnPC && codeBlock) {
+            if (returnPC && codeBlock && QScriptEnginePrivate::hasValidCodeBlockRegister(frame)) {
 #if ENABLE(JIT)
                 unsigned bytecodeOffset = codeBlock->getBytecodeIndex(frame, JSC::ReturnAddressPtr(returnPC));
 #else
@@ -171,7 +171,7 @@ QScriptContextInfoPrivate::QScriptContextInfoPrivate(const QScriptContext *conte
 
     // Get the filename and the scriptId:
     JSC::CodeBlock *codeBlock = frame->codeBlock();
-    if (codeBlock) {
+    if (codeBlock && QScriptEnginePrivate::hasValidCodeBlockRegister(frame)) {
            JSC::SourceProvider *source = codeBlock->source();
            scriptId = source->asID();
            fileName = source->url();
@@ -181,7 +181,8 @@ QScriptContextInfoPrivate::QScriptContextInfoPrivate(const QScriptContext *conte
     JSC::JSObject *callee = frame->callee();
     if (callee && callee->inherits(&JSC::InternalFunction::info))
         functionName = JSC::asInternalFunction(callee)->name(frame);
-    if (callee && callee->inherits(&JSC::JSFunction::info)) {
+    if (callee && callee->inherits(&JSC::JSFunction::info)
+        && !JSC::asFunction(callee)->isHostFunction()) {
         functionType = QScriptContextInfo::ScriptFunction;
         JSC::FunctionExecutable *body = JSC::asFunction(callee)->jsExecutable();
         functionStartLineNumber = body->lineNo();