diff options
Diffstat (limited to 'generic/tclVar.c')
-rw-r--r-- | generic/tclVar.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/generic/tclVar.c b/generic/tclVar.c index c35685b..ee4e84f 100644 --- a/generic/tclVar.c +++ b/generic/tclVar.c @@ -16,7 +16,7 @@ * See the file "license.terms" for information on usage and redistribution of * this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tclVar.c,v 1.202 2010/08/22 18:53:25 nijtmans Exp $ + * RCS: @(#) $Id: tclVar.c,v 1.203 2010/09/01 20:35:33 andreas_kupries Exp $ */ #include "tclInt.h" @@ -1867,8 +1867,10 @@ TclPtrSetVar( /* * Invoke any read traces that have been set for the variable if it is - * requested; this is only done in the core by the INST_LAPPEND_* - * instructions. + * requested. This was done for INST_LAPPEND_* but that was inconsistent + * with the non-bc instruction, and would cause failures trying to + * lappend to any non-existing ::env var, which is inconsistent with + * documented behavior. [Bug #3057639]. */ if ((flags & TCL_TRACE_READS) && ((varPtr->flags & VAR_TRACED_READ) |