diff options
| -rw-r--r-- | generic/tclExecute.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/generic/tclExecute.c b/generic/tclExecute.c index 76feb79..dd82f95 100644 --- a/generic/tclExecute.c +++ b/generic/tclExecute.c @@ -2214,6 +2214,22 @@ TEBCresume( if (!pc) { /* bytecode is starting from scratch */ pc = codePtr->codeStart; + + /* + * Reset the interp's result to avoid possible duplications of large + * objects [3c6e47363e], [781585], [804681], This can happen by start + * also in nested compiled blocks (enclosed in parent cycle). + * See else branch below for opposite handling by continuation/resume. + */ + + objPtr = iPtr->objResultPtr; + if (objPtr->refCount > 1) { + TclDecrRefCount(objPtr); + TclNewObj(objPtr); + Tcl_IncrRefCount(objPtr); + iPtr->objResultPtr = objPtr; + } + goto cleanup0; } else { /* resume from invocation */ @@ -2253,7 +2269,7 @@ TEBCresume( objc, cmdNameBuf), Tcl_GetObjResult(interp)); /* - * Reset the interp's result to avoid possible duplications of large + * Obtain and reset interp's result to avoid possible duplications of * objects [Bug 781585]. We do not call Tcl_ResetResult to avoid any * side effects caused by the resetting of errorInfo and errorCode * [Bug 804681], which are not needed here. We chose instead to |