merge core-8-branch

25 files changed, 103 insertions, 146 deletions

diff --git a/.fossil-settings/ignore-glob b/.fossil-settings/ignore-glob
index c85b488..08e405d 100644
--- a/.fossil-settings/ignore-glob
+++ b/.fossil-settings/ignore-glob
@@ -44,5 +44,6 @@ unix/pkgs/*
 win/Debug*
 win/Release*
 win/pkgs/*
+win/coffbase.txt
 win/tcl.hpj
 win/nmhlp-out.txt
diff --git a/generic/tclBasic.c b/generic/tclBasic.c
index eceea31..3ed3447 100644
--- a/generic/tclBasic.c
+++ b/generic/tclBasic.c
@@ -954,9 +954,11 @@ Tcl_CreateInterp(void)
 
     Tcl_SetVar2(interp, "tcl_patchLevel", NULL, TCL_PATCH_LEVEL, TCL_GLOBAL_ONLY);
     Tcl_SetVar2(interp, "tcl_version", NULL, TCL_VERSION, TCL_GLOBAL_ONLY);
+#if !defined(TCL_NO_DEPRECATED) && TCL_MAJOR_VERSION < 9
     Tcl_TraceVar2(interp, "tcl_precision", NULL,
 	    TCL_GLOBAL_ONLY|TCL_TRACE_READS|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
 	    TclPrecTraceProc, NULL);
+#endif /* !TCL_NO_DEPRECATED */
     TclpSetVariables(interp);
 
 #ifdef TCL_THREADS
@@ -4606,7 +4608,7 @@ TEOV_Exception(
 	if (result == TCL_RETURN) {
 	    result = TclUpdateReturnInfo(iPtr);
 	}
-	if ((result != TCL_ERROR) && !allowExceptions) {
+	if ((result != TCL_OK) && (result != TCL_ERROR) && !allowExceptions) {
 	    ProcessUnexpectedResult(interp, result);
 	    result = TCL_ERROR;
 	}
@@ -4787,7 +4789,7 @@ TEOV_RunEnterTraces(
 {
     Interp *iPtr = (Interp *) interp;
     Command *cmdPtr = *cmdPtrPtr;
-    size_t newEpoch, cmdEpoch = cmdPtr->cmdEpoch;
+    unsigned int newEpoch, cmdEpoch = cmdPtr->cmdEpoch;
     int length, traceCode = TCL_OK;
     const char *command = TclGetStringFromObj(commandPtr, &length);
 
diff --git a/generic/tclCompile.h b/generic/tclCompile.h
index bd7aaab..f20ecfd 100644
--- a/generic/tclCompile.h
+++ b/generic/tclCompile.h
@@ -425,11 +425,11 @@ typedef struct ByteCode {
 				 * compiled. If the code is executed if a
 				 * different namespace, it must be
 				 * recompiled. */
-    size_t nsEpoch;		/* Value of nsPtr->resolverEpoch when this
+    unsigned int nsEpoch;	/* Value of nsPtr->resolverEpoch when this
 				 * ByteCode was compiled. Used to invalidate
 				 * code when new namespace resolution rules
 				 * are put into effect. */
-    int refCount;		/* Reference count: set 1 when created plus 1
+    unsigned int refCount;	/* Reference count: set 1 when created plus 1
 				 * for each execution of the code currently
 				 * active. This structure can be freed when
 				 * refCount becomes zero. */
diff --git a/generic/tclDisassemble.c b/generic/tclDisassemble.c
index d61ed42..e07080a 100644
--- a/generic/tclDisassemble.c
+++ b/generic/tclDisassemble.c
@@ -254,7 +254,7 @@ DisassembleByteCodeObj(
     Tcl_Obj *bufferObj, *fileObj;
 
     TclNewObj(bufferObj);
-    if (codePtr->refCount <= 0) {
+    if (!codePtr->refCount) {
 	return bufferObj;	/* Already freed. */
     }
 
@@ -312,7 +312,7 @@ DisassembleByteCodeObj(
 	int numCompiledLocals = procPtr->numCompiledLocals;
 
 	Tcl_AppendPrintfToObj(bufferObj,
-		"  Proc %p, refCt %d, args %d, compiled locals %d\n",
+		"  Proc %p, refCt %u, args %d, compiled locals %d\n",
 		procPtr, procPtr->refCount, procPtr->numArgs,
 		numCompiledLocals);
 	if (numCompiledLocals > 0) {
diff --git a/generic/tclEncoding.c b/generic/tclEncoding.c
index e1e26d3..46db12c 100644
--- a/generic/tclEncoding.c
+++ b/generic/tclEncoding.c
@@ -3609,7 +3609,7 @@ unilen(
 static void
 InitializeEncodingSearchPath(
     char **valuePtr,
-    size_t *lengthPtr,
+    unsigned int *lengthPtr,
     Tcl_Encoding *encodingPtr)
 {
     const char *bytes;
diff --git a/generic/tclEnsemble.c b/generic/tclEnsemble.c
index 580ea5c..e7bfbac 100644
--- a/generic/tclEnsemble.c
+++ b/generic/tclEnsemble.c
@@ -92,7 +92,7 @@ static const Tcl_ObjType ensembleCmdType = {
  */
 
 typedef struct {
-    size_t epoch;               /* Used to confirm when the data in this
+    unsigned int epoch;         /* Used to confirm when the data in this
                                  * really structure matches up with the
                                  * ensemble. */
     Command *token;             /* Reference to the command for which this
diff --git a/generic/tclExecute.c b/generic/tclExecute.c
index 95664d0..f2cda0c 100644
--- a/generic/tclExecute.c
+++ b/generic/tclExecute.c
@@ -9476,9 +9476,9 @@ PrintByteCodeInfo(
     Proc *procPtr = codePtr->procPtr;
     Interp *iPtr = (Interp *) *codePtr->interpHandle;
 
-    fprintf(stdout, "\nExecuting ByteCode 0x%p, refCt %" TCL_LL_MODIFIER "u, epoch %" TCL_LL_MODIFIER "u, interp 0x%p (epoch %" TCL_LL_MODIFIER "u)\n",
-	    codePtr, (Tcl_WideInt)codePtr->refCount, (Tcl_WideInt)codePtr->compileEpoch, iPtr,
-	    (Tcl_WideInt)iPtr->compileEpoch);
+    fprintf(stdout, "\nExecuting ByteCode 0x%p, refCt %" TCL_LL_MODIFIER "u, epoch %u, interp 0x%p (epoch %u)\n",
+	    codePtr, (Tcl_WideInt)codePtr->refCount, codePtr->compileEpoch, iPtr,
+	    iPtr->compileEpoch);
 
     fprintf(stdout, "  Source: ");
     TclPrintSource(stdout, codePtr->source, 60);
diff --git a/generic/tclInt.decls b/generic/tclInt.decls
index 33bf0b3..175ea9c 100644
--- a/generic/tclInt.decls
+++ b/generic/tclInt.decls
@@ -355,7 +355,7 @@ declare 81 {
 #  declare 87 {
 #      void TclPlatformInit(Tcl_Interp *interp)
 #  }
-declare 88 {
+declare 88 {deprecated {}} {
     char *TclPrecTraceProc(ClientData clientData, Tcl_Interp *interp,
 	    const char *name1, const char *name2, int flags)
 }
diff --git a/generic/tclInt.h b/generic/tclInt.h
index 1fd252f..880899f 100644
--- a/generic/tclInt.h
+++ b/generic/tclInt.h
@@ -265,7 +265,7 @@ typedef struct Namespace {
 				 * strings; values have type (Namespace *). If
 				 * NULL, there are no children. */
 #endif
-    size_t nsId;		/* Unique id for the namespace. */
+    unsigned long nsId;		/* Unique id for the namespace. */
     Tcl_Interp *interp;		/* The interpreter containing this
 				 * namespace. */
     int flags;			/* OR-ed combination of the namespace status
@@ -274,7 +274,7 @@ typedef struct Namespace {
 				 * frames for this namespace that are on the
 				 * Tcl call stack. The namespace won't be
 				 * freed until activationCount becomes zero. */
-    int refCount;		/* Count of references by namespaceName
+    unsigned int refCount;	/* Count of references by namespaceName
 				 * objects. The namespace can't be freed until
 				 * refCount becomes zero. */
     Tcl_HashTable cmdTable;	/* Contains all the commands currently
@@ -299,12 +299,12 @@ typedef struct Namespace {
 				 * registered using "namespace export". */
     int maxExportPatterns;	/* Mumber of export patterns for which space
 				 * is currently allocated. */
-    size_t cmdRefEpoch;		/* Incremented if a newly added command
+    unsigned int cmdRefEpoch;	/* Incremented if a newly added command
 				 * shadows a command for which this namespace
 				 * has already cached a Command* pointer; this
 				 * causes all its cached Command* pointers to
 				 * be invalidated. */
-    size_t resolverEpoch;	/* Incremented whenever (a) the name
+    unsigned int resolverEpoch;	/* Incremented whenever (a) the name
 				 * resolution rules change for this namespace
 				 * or (b) a newly added command shadows a
 				 * command that is compiled to bytecodes. This
@@ -331,7 +331,7 @@ typedef struct Namespace {
 				 * LookupCompiledLocal to resolve variable
 				 * references within the namespace at compile
 				 * time. */
-    size_t exportLookupEpoch;	/* Incremented whenever a command is added to
+    unsigned int exportLookupEpoch;	/* Incremented whenever a command is added to
 				 * a namespace, removed from a namespace or
 				 * the exports of a namespace are changed.
 				 * Allows TIP#112-driven command lists to be
@@ -432,7 +432,7 @@ typedef struct EnsembleConfig {
 				 * if the command has been deleted (or never
 				 * existed; the global namespace never has an
 				 * ensemble command.) */
-    size_t epoch;		/* The epoch at which this ensemble's table of
+    unsigned int epoch;		/* The epoch at which this ensemble's table of
 				 * exported commands is valid. */
     char **subcommandArrayPtr;	/* Array of ensemble subcommand names. At all
 				 * consistent points, this will have the same
@@ -545,7 +545,7 @@ typedef struct CommandTrace {
     struct CommandTrace *nextPtr;
 				/* Next in list of traces associated with a
 				 * particular command. */
-    int refCount;		/* Used to ensure this structure is not
+    unsigned int refCount;	/* Used to ensure this structure is not
 				 * deleted too early. Keeps track of how many
 				 * pieces of code have a pointer to this
 				 * structure. */
@@ -618,7 +618,7 @@ typedef struct Var {
 
 typedef struct VarInHash {
     Var var;
-    int refCount;		/* Counts number of active uses of this
+    unsigned int refCount;	/* Counts number of active uses of this
 				 * variable: 1 for the entry in the hash
 				 * table, 1 for each additional variable whose
 				 * linkPtr points here, 1 for each nested
@@ -950,7 +950,7 @@ typedef struct CompiledLocal {
 typedef struct Proc {
     struct Interp *iPtr;	/* Interpreter for which this command is
 				 * defined. */
-    int refCount;		/* Reference count: 1 if still present in
+    unsigned int refCount;	/* Reference count: 1 if still present in
 				 * command table plus 1 for each call to the
 				 * procedure that is currently active. This
 				 * structure can be freed when refCount
@@ -1067,7 +1067,7 @@ typedef struct AssocData {
  */
 
 typedef struct LocalCache {
-    int refCount;
+    unsigned int refCount;
     int numVars;
     Tcl_Obj *varName0;
 } LocalCache;
@@ -1229,7 +1229,7 @@ typedef struct CmdFrame {
 typedef struct CFWord {
     CmdFrame *framePtr;		/* CmdFrame to access. */
     int word;			/* Index of the word in the command. */
-    int refCount;		/* Number of times the word is on the
+    unsigned int refCount;	/* Number of times the word is on the
 				 * stack. */
 } CFWord;
 
@@ -1634,12 +1634,12 @@ typedef struct Command {
 				 * recreated). */
     Namespace *nsPtr;		/* Points to the namespace containing this
 				 * command. */
-    int refCount;		/* 1 if in command hashtable plus 1 for each
+    unsigned int refCount;	/* 1 if in command hashtable plus 1 for each
 				 * reference from a CmdName Tcl object
 				 * representing a command's name in a ByteCode
 				 * instruction sequence. This structure can be
 				 * freed when refCount becomes zero. */
-    size_t cmdEpoch;		/* Incremented to invalidate any references
+    unsigned int cmdEpoch;	/* Incremented to invalidate any references
 				 * that point to this command when it is
 				 * renamed, deleted, hidden, or exposed. */
     CompileProc *compileProc;	/* Procedure called to compile command. NULL
@@ -2384,7 +2384,7 @@ typedef enum TclEolTranslation {
  */
 
 typedef struct List {
-    int refCount;
+    unsigned int refCount;
     int maxElemCount;		/* Total number of element array slots. */
     int elemCount;		/* Current number of list elements. */
     int canonicalFlag;		/* Set if the string representation was
@@ -2626,7 +2626,7 @@ typedef Tcl_ObjCmdProc *TclObjCmdProcType;
  *----------------------------------------------------------------
  */
 
-typedef void (TclInitProcessGlobalValueProc)(char **valuePtr, size_t *lengthPtr,
+typedef void (TclInitProcessGlobalValueProc)(char **valuePtr, unsigned int *lengthPtr,
 	Tcl_Encoding *encodingPtr);
 
 /*
@@ -2638,9 +2638,9 @@ typedef void (TclInitProcessGlobalValueProc)(char **valuePtr, size_t *lengthPtr,
  */
 
 typedef struct ProcessGlobalValue {
-    size_t epoch;		/* Epoch counter to detect changes in the
+    unsigned int epoch;		/* Epoch counter to detect changes in the
 				 * master value. */
-    size_t numBytes;		/* Length of the master string. */
+    unsigned int numBytes;	/* Length of the master string. */
     char *value;		/* The master string value. */
     Tcl_Encoding encoding;	/* system encoding when master string was
 				 * initialized. */
@@ -2960,8 +2960,7 @@ MODULE_SCOPE char *	TclDStringAppendDString(Tcl_DString *dsPtr,
 MODULE_SCOPE Tcl_Obj *	TclDStringToObj(Tcl_DString *dsPtr);
 MODULE_SCOPE Tcl_Obj *const *	TclFetchEnsembleRoot(Tcl_Interp *interp,
 			    Tcl_Obj *const *objv, int objc, int *objcPtr);
-Tcl_Namespace * 	TclEnsureNamespace(
-			    Tcl_Interp *interp,
+MODULE_SCOPE Tcl_Namespace * 	TclEnsureNamespace(Tcl_Interp *interp,
 			    Tcl_Namespace *namespacePtr);
 
 MODULE_SCOPE void	TclFinalizeAllocSubsystem(void);
@@ -3125,7 +3124,7 @@ MODULE_SCOPE int	TclpThreadCreate(Tcl_ThreadId *idPtr,
 			    int stackSize, int flags);
 MODULE_SCOPE int	TclpFindVariable(const char *name, int *lengthPtr);
 MODULE_SCOPE void	TclpInitLibraryPath(char **valuePtr,
-			    size_t *lengthPtr, Tcl_Encoding *encodingPtr);
+			    unsigned int *lengthPtr, Tcl_Encoding *encodingPtr);
 MODULE_SCOPE void	TclpInitLock(void);
 MODULE_SCOPE void	TclpInitPlatform(void);
 MODULE_SCOPE void	TclpInitUnlock(void);
diff --git a/generic/tclIntDecls.h b/generic/tclIntDecls.h
index 5848bb3..bc8f7b8 100644
--- a/generic/tclIntDecls.h
+++ b/generic/tclIntDecls.h
@@ -233,7 +233,8 @@ EXTERN char *		TclpRealloc(char *ptr, unsigned int size);
 /* Slot 86 is reserved */
 /* Slot 87 is reserved */
 /* 88 */
-EXTERN char *		TclPrecTraceProc(ClientData clientData,
+TCL_DEPRECATED("")
+char *			TclPrecTraceProc(ClientData clientData,
 				Tcl_Interp *interp, const char *name1,
 				const char *name2, int flags);
 /* 89 */
@@ -743,7 +744,7 @@ typedef struct TclIntStubs {
     void (*reserved85)(void);
     void (*reserved86)(void);
     void (*reserved87)(void);
-    char * (*tclPrecTraceProc) (ClientData clientData, Tcl_Interp *interp, const char *name1, const char *name2, int flags); /* 88 */
+    TCL_DEPRECATED_API("") char * (*tclPrecTraceProc) (ClientData clientData, Tcl_Interp *interp, const char *name1, const char *name2, int flags); /* 88 */
     int (*tclPreventAliasLoop) (Tcl_Interp *interp, Tcl_Interp *cmdInterp, Tcl_Command cmd); /* 89 */
     void (*reserved90)(void);
     void (*tclProcCleanupProc) (Proc *procPtr); /* 91 */
diff --git a/generic/tclNamesp.c b/generic/tclNamesp.c
index d661856..f82d23d 100644
--- a/generic/tclNamesp.c
+++ b/generic/tclNamesp.c
@@ -32,7 +32,7 @@
  */
 
 typedef struct {
-    size_t numNsCreated;	/* Count of the number of namespaces created
+    unsigned long numNsCreated;	/* Count of the number of namespaces created
 				 * within the thread. This value is used as a
 				 * unique id for each namespace. Cannot be
 				 * per-interp because the nsId is used to
@@ -402,7 +402,7 @@ Tcl_PopCallFrame(
     }
     if (framePtr->numCompiledLocals > 0) {
 	TclDeleteCompiledLocalVars(iPtr, framePtr);
-	if (--framePtr->localCachePtr->refCount == 0) {
+	if (framePtr->localCachePtr->refCount-- <= 1) {
 	    TclFreeLocalCache(interp, framePtr->localCachePtr);
 	}
 	framePtr->localCachePtr = NULL;
@@ -916,6 +916,11 @@ Tcl_DeleteNamespace(
     Command *cmdPtr;
 
     /*
+     * Ensure that this namespace doesn't get deallocated in the meantime.
+     */
+    nsPtr->refCount++;
+
+    /*
      * Give anyone interested - notably TclOO - a chance to use this namespace
      * normally despite the fact that the namespace is going to go. Allows the
      * calling of destructors. Will only be called once (unless re-established
@@ -1047,16 +1052,7 @@ Tcl_DeleteNamespace(
 #endif
 	    Tcl_DeleteHashTable(&nsPtr->cmdTable);
 
-	    /*
-	     * If the reference count is 0, then discard the namespace.
-	     * Otherwise, mark it as "dead" so that it can't be used.
-	     */
-
-	    if (nsPtr->refCount == 0) {
-		NamespaceFree(nsPtr);
-	    } else {
-		nsPtr->flags |= NS_DEAD;
-	    }
+	    nsPtr ->flags |= NS_DEAD;
 	} else {
 	    /*
 	     * Restore the ::errorInfo and ::errorCode traces.
@@ -1073,6 +1069,7 @@ Tcl_DeleteNamespace(
 	    nsPtr->flags &= ~(NS_DYING|NS_KILLED);
 	}
     }
+    TclNsDecrRefCount(nsPtr);
 }
 
 /*
diff --git a/generic/tclObj.c b/generic/tclObj.c
index 1a00011..4ec0a57 100644
--- a/generic/tclObj.c
+++ b/generic/tclObj.c
@@ -344,17 +344,17 @@ typedef struct ResolvedCmdName {
 				 * reference (not the namespace that contains
 				 * the referenced command). NULL if the name
 				 * is fully qualified.*/
-    size_t refNsId;		/* refNsPtr's unique namespace id. Used to
+    unsigned long refNsId;		/* refNsPtr's unique namespace id. Used to
 				 * verify that refNsPtr is still valid (e.g.,
 				 * it's possible that the cmd's containing
 				 * namespace was deleted and a new one created
 				 * at the same address). */
-    size_t refNsCmdEpoch;	/* Value of the referencing namespace's
+    unsigned int refNsCmdEpoch;	/* Value of the referencing namespace's
 				 * cmdRefEpoch when the pointer was cached.
 				 * Before using the cached pointer, we check
 				 * if the namespace's epoch was incremented;
 				 * if so, this cached pointer is invalid. */
-    size_t cmdEpoch;		/* Value of the command's cmdEpoch when this
+    unsigned int cmdEpoch; /* Value of the command's cmdEpoch when this
 				 * pointer was cached. Before using the cached
 				 * pointer, we check if the cmd's epoch was
 				 * incremented; if so, the cmd was renamed,
diff --git a/generic/tclProc.c b/generic/tclProc.c
index b89357c..70dc4dc 100644
--- a/generic/tclProc.c
+++ b/generic/tclProc.c
@@ -2380,7 +2380,7 @@ FreeLambdaInternalRep(
     Proc *procPtr = objPtr->internalRep.twoPtrValue.ptr1;
     Tcl_Obj *nsObjPtr = objPtr->internalRep.twoPtrValue.ptr2;
 
-    if (procPtr->refCount-- == 1) {
+    if (procPtr->refCount-- <= 1) {
 	TclProcCleanupProc(procPtr);
     }
     TclDecrRefCount(nsObjPtr);
diff --git a/generic/tclStubInit.c b/generic/tclStubInit.c
index 6c20340..bd0971b 100644
--- a/generic/tclStubInit.c
+++ b/generic/tclStubInit.c
@@ -64,6 +64,7 @@ static int TclSockMinimumBuffersOld(int sock, int size)
 #   define TclGetStartupScriptPath 0
 #   define TclSetStartupScriptFileName 0
 #   define TclGetStartupScriptFileName 0
+#   define TclPrecTraceProc 0
 #   define TclpInetNtoa 0
 #   define TclWinGetServByName 0
 #   define TclWinGetSockOpt 0
diff --git a/generic/tclUtil.c b/generic/tclUtil.c
index 51af016..15018de 100644
--- a/generic/tclUtil.c
+++ b/generic/tclUtil.c
@@ -3298,6 +3298,7 @@ Tcl_PrintDouble(
  *----------------------------------------------------------------------
  */
 
+#if !defined(TCL_NO_DEPRECATED) && TCL_MAJOR_VERSION < 9
 	/* ARGSUSED */
 char *
 TclPrecTraceProc(
@@ -3355,6 +3356,7 @@ TclPrecTraceProc(
     *precisionPtr = prec;
     return NULL;
 }
+#endif /* !TCL_NO_DEPRECATED)*/
 
 /*
  *----------------------------------------------------------------------
@@ -4010,7 +4012,7 @@ TclSetProcessGlobalValue(
     Tcl_IncrRefCount(newValue);
     cacheMap = GetThreadHash(&pgvPtr->key);
     ClearHash(cacheMap);
-    hPtr = Tcl_CreateHashEntry(cacheMap, (void *)(pgvPtr->epoch), &dummy);
+    hPtr = Tcl_CreateHashEntry(cacheMap, (void *)(size_t)(pgvPtr->epoch), &dummy);
     Tcl_SetHashValue(hPtr, newValue);
     Tcl_MutexUnlock(&pgvPtr->mutex);
 }
@@ -4036,7 +4038,7 @@ TclGetProcessGlobalValue(
     Tcl_Obj *value = NULL;
     Tcl_HashTable *cacheMap;
     Tcl_HashEntry *hPtr;
-    size_t epoch = pgvPtr->epoch;
+    unsigned int epoch = pgvPtr->epoch;
 
     if (pgvPtr->encoding) {
 	Tcl_Encoding current = Tcl_GetEncoding(NULL, NULL);
@@ -4070,7 +4072,7 @@ TclGetProcessGlobalValue(
 	}
     }
     cacheMap = GetThreadHash(&pgvPtr->key);
-    hPtr = Tcl_FindHashEntry(cacheMap, (void *) (epoch));
+    hPtr = Tcl_FindHashEntry(cacheMap, (void *)(size_t)epoch);
     if (NULL == hPtr) {
 	int dummy;
 
@@ -4103,7 +4105,7 @@ TclGetProcessGlobalValue(
 
 	value = Tcl_NewStringObj(pgvPtr->value, pgvPtr->numBytes);
 	hPtr = Tcl_CreateHashEntry(cacheMap,
-		(void *)(pgvPtr->epoch), &dummy);
+		(void *)(size_t)(pgvPtr->epoch), &dummy);
 	Tcl_MutexUnlock(&pgvPtr->mutex);
 	Tcl_SetHashValue(hPtr, value);
 	Tcl_IncrRefCount(value);
diff --git a/library/init.tcl b/library/init.tcl
index 4424087..530ce58 100644
--- a/library/init.tcl
+++ b/library/init.tcl
@@ -619,8 +619,7 @@ proc auto_execok name {
     set auto_execs($name) ""
 
     set shellBuiltins [list assoc cls copy date del dir echo erase ftype \
-                           md mkdir mklink move rd ren rename rmdir start \
-                           time type ver vol]
+	    md mkdir mklink move rd ren rename rmdir start time type ver vol]
     if {[info exists env(PATHEXT)]} {
 	# Add an initial ; to have the {} extension check first.
 	set execExtensions [split ";$env(PATHEXT)" ";"]
@@ -654,10 +653,7 @@ proc auto_execok name {
 	set windir $env(WINDIR)
     }
     if {[info exists windir]} {
-	if {$tcl_platform(os) eq "Windows NT"} {
-	    append path "$windir/system32;"
-	}
-	append path "$windir/system;$windir;"
+	append path "$windir/system32;$windir/system;$windir;"
     }
 
     foreach var {PATH Path path} {
diff --git a/tests/basic.test b/tests/basic.test
index 7819241..d47613a 100644
--- a/tests/basic.test
+++ b/tests/basic.test
@@ -984,6 +984,16 @@ test basic-49.2 {Tcl_EvalEx: verify TCL_EVAL_GLOBAL operation} testevalex {
     set ::context
 } {global}
 
+test basic-50.1 {[586e71dce4] EvalObjv level #0 exception handling} -setup {
+    interp create slave
+    interp alias {} foo slave return
+} -body {
+    list [catch foo m] $m
+} -cleanup {
+    unset -nocomplain m
+    interp delete slave
+} -result {0 {}}
+
 # Clean up after expand tests
 unset noComp l1 l2 constraints
 rename l3 {}
diff --git a/tests/namespace.test b/tests/namespace.test
index 9fa9331..b9e6ead 100644
--- a/tests/namespace.test
+++ b/tests/namespace.test
@@ -196,6 +196,19 @@ test namespace-7.7 {Bug 1655305} -setup {
     interp delete slave
 } -result {}
 
+test namespace-7.8 {Bug ba1419303b4c} -setup {
+    namespace eval ns1 {
+	namespace ensemble create
+    }
+
+    trace add command ns1 delete {
+	namespace delete ns1
+    }
+} -body {
+    # No segmentation fault given --enable-symbols=mem. 
+    namespace delete ns1
+} -result {}
+
 test namespace-8.1 {TclTeardownNamespace, delete global namespace} {
     catch {interp delete test_interp}
     interp create test_interp
diff --git a/unix/Makefile.in b/unix/Makefile.in
index 032b5ac..f3b9782 100644
--- a/unix/Makefile.in
+++ b/unix/Makefile.in
@@ -2050,9 +2050,7 @@ dist: $(UNIX_DIR)/configure $(UNIX_DIR)/tclConfig.h.in $(UNIX_DIR)/tcl.pc.in $(M
 	cp -p $(TOP_DIR)/win/*.[ch] $(TOP_DIR)/win/*.ico $(TOP_DIR)/win/*.rc \
 		$(DISTDIR)/win
 	cp -p $(TOP_DIR)/win/*.bat $(DISTDIR)/win
-	cp -p $(TOP_DIR)/win/makefile.* $(DISTDIR)/win
-	cp -p $(TOP_DIR)/win/rules.vc $(DISTDIR)/win
-	cp -p $(TOP_DIR)/win/coffbase.txt $(DISTDIR)/win
+	cp -p $(TOP_DIR)/win/*.vc $(DISTDIR)/win
 	cp -p $(TOP_DIR)/win/tcl.hpj.in $(DISTDIR)/win
 	cp -p $(TOP_DIR)/win/tcl.ds* $(DISTDIR)/win
 	cp -p $(TOP_DIR)/win/README $(DISTDIR)/win
diff --git a/unix/tclUnixInit.c b/unix/tclUnixInit.c
index feeffa6..cc66569 100644
--- a/unix/tclUnixInit.c
+++ b/unix/tclUnixInit.c
@@ -39,11 +39,6 @@ DLLIMPORT extern __stdcall void FreeLibrary(void *);
 DLLIMPORT extern __stdcall void *GetProcAddress(void *, const char *);
 DLLIMPORT extern __stdcall void GetSystemInfo(void *);
 
-#define NUMPLATFORMS 4
-static const char *const platforms[NUMPLATFORMS] = {
-    "Win32s", "Windows 95", "Windows NT", "Windows CE"
-};
-
 #define NUMPROCESSORS 11
 static const char *const processors[NUMPROCESSORS] = {
     "intel", "mips", "alpha", "ppc", "shx", "arm", "ia64", "alpha64", "msil",
@@ -453,7 +448,7 @@ TclpInitPlatform(void)
 void
 TclpInitLibraryPath(
     char **valuePtr,
-    size_t *lengthPtr,
+    unsigned int *lengthPtr,
     Tcl_Encoding *encodingPtr)
 {
 #define LIBRARY_SIZE	    32
@@ -890,10 +885,7 @@ TclpSetVariables(
 
     GetSystemInfo(&sysInfo);
 
-    if (osInfo.dwPlatformId < NUMPLATFORMS) {
-	Tcl_SetVar2(interp, "tcl_platform", "os",
-		platforms[osInfo.dwPlatformId], TCL_GLOBAL_ONLY);
-    }
+    Tcl_SetVar2(interp, "tcl_platform", "os", "Windows NT", TCL_GLOBAL_ONLY);
     sprintf(buffer, "%d.%d", osInfo.dwMajorVersion, osInfo.dwMinorVersion);
     Tcl_SetVar2(interp, "tcl_platform", "osVersion", buffer, TCL_GLOBAL_ONLY);
     if (sysInfo.wProcessorArchitecture < NUMPROCESSORS) {
diff --git a/unix/tclUnixSock.c b/unix/tclUnixSock.c
index 45abc01..980ab4d 100644
--- a/unix/tclUnixSock.c
+++ b/unix/tclUnixSock.c
@@ -217,7 +217,7 @@ printaddrinfo(
 static void
 InitializeHostName(
     char **valuePtr,
-    size_t *lengthPtr,
+    unsigned int *lengthPtr,
     Tcl_Encoding *encodingPtr)
 {
     const char *native = NULL;
diff --git a/win/coffbase.txt b/win/coffbase.txt
deleted file mode 100644
index 3314f26..0000000
--- a/win/coffbase.txt
+++ /dev/null
@@ -1,43 +0,0 @@
-;

-; This file defines the virtual base addresses for the Dynamic Link Libraries

-; that are part of the Tcl system.  The first token on a line is the key (or name

-; of the DLL) and the second token is the virtual base address, in hexidecimal.

-; The third token is the maximum size of the DLL image file, including symbols.

-;

-; Using a specified "prefered load address" should speed loading time by avoiding

-; relocations (NT supported only).  It is assumed extension authors will contribute

-; their modules to this grand-master list.  You can use the dumpbin utility with

-; the /headers option to get the "size of image" data (already in hex).  If the

-; maximum size is too small a linker warning will occur.  Modules can overlap when

-; they're mutually exclusive.  This info is placed in the DLL's PE header by the

-; linker with the `-base:@$(TCLDIR)\win\coffbase.txt,<key>` option.

-

-tcl		0x10000000	0x00200000

-tcldde		0x10200000	0x00010000

-tclreg		0x10210000	0x00010000

-tk		0x10220000	0x00200000

-expect		0x10480000	0x00080000

-itcl		0x10500000	0x00080000

-itk		0x10580000	0x00080000

-bltlite		0x10600000	0x00080000

-blt		0x10680000	0x00080000

-iocpsock	0x10700000	0x00080000

-tls		0x10780000	0x00100000

-winico		0x10880000	0x00010000

-sample		0x108B0000	0x00010000

-tile		0x10900000	0x00080000

-memchan		0x109D0000	0x00010000

-tdom		0x109E0000	0x00080000

-tclvfs		0x10A70000	0x00010000

-tkvideo		0x10B00000	0x00010000

-tclsdl		0x10B20000	0x00080000

-vqtcl		0x10C00000	0x00010000

-tdbc		0x10C40000	0x00010000

-thread		0x10C80000	0x00020000

-nsf		0x10ca0000	0x00080000

-;

-; insert new packages here

-;

-snack		0x1E000000	0x00400000

-sound		0x1E400000	0x00400000

-snackogg	0x1E800000	0x00200000

diff --git a/win/rules.vc b/win/rules.vc
index 2ee8f0e..958c888 100644
--- a/win/rules.vc
+++ b/win/rules.vc
@@ -394,7 +394,7 @@ MSG = ^
 

 

 # If INSTALLDIR set to tcl installation root dir then reset to the

-# lib dir for installing extensions 

+# lib dir for installing extensions

 !if exist("$(_INSTALLDIR)\include\tcl.h")

 _INSTALLDIR=$(_INSTALLDIR)\lib

 !endif

@@ -547,7 +547,7 @@ NMAKEHLPC = $(_TCLDIR)\win\nmakehlp.c
 # The following macros are set:

 # OPTIMIZATIONS - the compiler flags to be used for optimized builds

 # DEBUGFLAGS - the compiler flags to be used for debug builds

-# LINKERFLAGS - Flags passed to the linker 

+# LINKERFLAGS - Flags passed to the linker

 #

 # Note that these are the compiler settings *available*, not those

 # that will be *used*. The latter depends on the OPTS macro settings

@@ -1132,8 +1132,8 @@ tklibs = "$(TKSTUBLIB)" "$(TKIMPLIB)"
 !endif # $(DOING_TK) || $(NEED_TK)

 

 # Various output paths

-PRJIMPLIB	= $(OUT_DIR)\$(PROJECT)$(VERSION)$(SUFX).lib

-PRJLIBNAME	= $(PROJECT)$(VERSION)$(SUFX).$(EXT)

+PRJIMPLIB	= $(OUT_DIR)\$(PROJECT)$(VERSION)$(SUFX:t=).lib

+PRJLIBNAME	= $(PROJECT)$(VERSION)$(SUFX:t=).$(EXT)

 PRJLIB		= $(OUT_DIR)\$(PRJLIBNAME)

 

 PRJSTUBLIBNAME	= $(STUBPREFIX)$(VERSION).lib

@@ -1270,7 +1270,7 @@ USE_WIDECHAR_API = 0
 !endif

 

 !if $(USE_WIDECHAR_API)

-COMPILERFLAGS = $(COMPILERFLAGS) /DUNICODE /D_UNICODE 

+COMPILERFLAGS = $(COMPILERFLAGS) /DUNICODE /D_UNICODE

 !endif

 

 # Like the TEA system only set this non empty for non-Tk extensions

@@ -1280,7 +1280,7 @@ COMPILERFLAGS = $(COMPILERFLAGS) /DUNICODE /D_UNICODE
 PKGNAMEFLAGS = -DPACKAGE_NAME="\"$(PRJ_PACKAGE_TCLNAME)\"" \

                -DPACKAGE_TCLNAME="\"$(PRJ_PACKAGE_TCLNAME)\"" \

                -DPACKAGE_VERSION="\"$(DOTVERSION)\"" \

-               -DMODULE_SCOPE=extern 

+               -DMODULE_SCOPE=extern

 !endif

 

 # crt picks the C run time based on selected OPTS

@@ -1373,7 +1373,7 @@ pkgcflags_nostubs = $(appcflags_nostubs) $(PKGNAMEFLAGS) -DBUILD_$(PROJECT)
 # compiled with another VC version. Check for this and fix accordingly.

 stubscflags = $(cflags) $(PKGNAMEFLAGS) $(PRJ_DEFINES) $(OPTDEFINES) -Zl -DSTATIC_BUILD $(INCLUDES)

 

-# Link flags 

+# Link flags

 

 !if $(DEBUG)

 ldebug	= -debug -debugtype:cv

@@ -1389,25 +1389,13 @@ ldebug	= $(ldebug) -debug -debugtype:cv
 ldebug= $(ldebug) -profile

 !endif

 

-### Declarations common to all linker versions 

+### Declarations common to all linker versions

 lflags	= -nologo -machine:$(MACHINE) $(LINKERFLAGS) $(ldebug)

 

 !if $(MSVCRT) && !($(DEBUG) && !$(UNCHECKED)) && $(VCVERSION) >= 1900

 lflags	= $(lflags) -nodefaultlib:libucrt.lib

 !endif

 

-# Old linkers (Visual C++ 6 in particular) will link for fast loading

-# on Win98. Since we do not support Win98 any more, we specify nowin98

-# as recommended for NT and later. However, this is only required by

-# IX86 on older compilers and only needed if we are not doing a static build.

-

-!if "$(MACHINE)" == "IX86" && !$(STATIC_BUILD)

-!if [nmakehlp -l -opt:nowin98 $(LINKER_TESTFLAGS)]

-# Align sections for PE size savings.

-lflags	= $(lflags) -opt:nowin98

-!endif

-!endif

-

 dlllflags = $(lflags) -dll

 conlflags = $(lflags) -subsystem:console

 guilflags = $(lflags) -subsystem:windows

@@ -1452,9 +1440,9 @@ RESCMD  = $(rc32) -fo $@ -r -i "$(GENERICDIR)" -i "$(TMP_DIR)" \
 	    -DCOMMAVERSION=$(DOTVERSION:.=,),0 \

 	    -DDOTVERSION=\"$(DOTVERSION)\" \

 	    -DVERSION=\"$(VERSION)\" \

-	    -DSUFX=\"$(SUFX)\" \

-            -DPROJECT=\"$(PROJECT)\" \

-            -DPRJLIBNAME=\"$(PRJLIBNAME)\" 

+	    -DSUFX=\"$(SUFX:t=)\" \

+	    -DPROJECT=\"$(PROJECT)\" \

+	    -DPRJLIBNAME=\"$(PRJLIBNAME)\"

 

 !ifndef DEFAULT_BUILD_TARGET

 DEFAULT_BUILD_TARGET = $(PROJECT)

@@ -1551,7 +1539,7 @@ default-shell: default-setup $(PROJECT)
 	@if exist $(LIBDIR) for %f in ("$(LIBDIR)\*.tcl") do @$(COPY) %f "$(OUT_DIR)"

 	$(DEBUGGER) $(TCLSH)

 

-# Generation of Windows version resource 

+# Generation of Windows version resource

 !ifdef RCFILE

 

 # Note: don't use $** in below rule because there may be other dependencies

@@ -1590,7 +1578,7 @@ BEGIN
             VALUE "OriginalFilename", PRJLIBNAME

             VALUE "FileVersion",      DOTVERSION

             VALUE "ProductName",      "Package " PROJECT " for Tcl"

-            VALUE "ProductVersion",   DOTVERSION 

+            VALUE "ProductVersion",   DOTVERSION

         END

     END

     BLOCK "VarFileInfo"

diff --git a/win/tclWinInit.c b/win/tclWinInit.c
index 9d37a41..dc8bba7 100644
--- a/win/tclWinInit.c
+++ b/win/tclWinInit.c
@@ -182,7 +182,7 @@ TclpInitPlatform(void)
 void
 TclpInitLibraryPath(
     char **valuePtr,
-    size_t *lengthPtr,
+    unsigned int *lengthPtr,
     Tcl_Encoding *encodingPtr)
 {
 #define LIBRARY_SIZE	    64
@@ -345,7 +345,7 @@ AppendEnvironment(
 static void
 InitializeDefaultLibraryDir(
     char **valuePtr,
-    size_t *lengthPtr,
+    unsigned int *lengthPtr,
     Tcl_Encoding *encodingPtr)
 {
     HMODULE hModule = TclWinGetTclInstance();
@@ -396,7 +396,7 @@ InitializeDefaultLibraryDir(
 static void
 InitializeSourceLibraryDir(
     char **valuePtr,
-    size_t *lengthPtr,
+    unsigned int *lengthPtr,
     Tcl_Encoding *encodingPtr)
 {
     HMODULE hModule = TclWinGetTclInstance();
diff --git a/win/tclWinSock.c b/win/tclWinSock.c
index ee6be96..1c004838 100644
--- a/win/tclWinSock.c
+++ b/win/tclWinSock.c
@@ -360,7 +360,7 @@ printaddrinfolist(
 void
 InitializeHostName(
     char **valuePtr,
-    size_t *lengthPtr,
+    unsigned int *lengthPtr,
     Tcl_Encoding *encodingPtr)
 {
     TCHAR tbuf[MAX_COMPUTERNAME_LENGTH + 1];