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| author | Miguel Sofer <miguel.sofer@gmail.com> | 2005-10-22 03:07:45 (GMT) |
|---|---|---|
| committer | Miguel Sofer <miguel.sofer@gmail.com> | 2005-10-22 03:07:45 (GMT) |
| commit | 352f9db6131a948693af4acd7d5ae471c54635c2 (patch) | |
| tree | d87b71cf870a187226d3eeaffbd7b281953a4b52 /generic/tclExecute.c | |
| parent | 6fbb31930b626c92e0e3130fe86fa0c2ffc6946b (diff) | |
| download | tcl-352f9db6131a948693af4acd7d5ae471c54635c2.zip tcl-352f9db6131a948693af4acd7d5ae471c54635c2.tar.gz tcl-352f9db6131a948693af4acd7d5ae471c54635c2.tar.bz2 | |
* generic/tclExecute.c (INST_CONCAT): disable the optimisation for
wide integers, [Bug 1251791].
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 */ |