diff options
Diffstat (limited to 'generic/tclExecute.c')
| -rw-r--r-- | generic/tclExecute.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/generic/tclExecute.c b/generic/tclExecute.c index 5161b17..ef4b7d4 100644 --- a/generic/tclExecute.c +++ b/generic/tclExecute.c @@ -11,7 +11,7 @@ * See the file "license.terms" for information on usage and redistribution * of this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tclExecute.c,v 1.94.2.14 2005/08/29 16:37:42 kennykb Exp $ + * RCS: @(#) $Id: tclExecute.c,v 1.94.2.15 2005/10/22 03:07:45 msofer Exp $ */ #include "tclInt.h" @@ -1265,10 +1265,12 @@ TclExecuteByteCode(interp, codePtr) /* * Peephole optimisation for appending an empty string. * This enables replacing 'K $x [set x{}]' by '$x[set x{}]' - * for fastest execution. + * for fastest execution. Avoid doing the optimisation for wide + * ints - a case where equal strings may refer to different values + * (see [Bug 1251791]). */ - if (opnd == 2) { + if ((opnd == 2) && (stackPtr[stackTop-1]->typePtr != &tclWideIntType)) { Tcl_GetStringFromObj(stackPtr[stackTop], &length); if (length == 0) { /* Just drop the top item from the stack */ |