Pulling changes from trunk

1 files changed, 13 insertions, 7 deletions

diff --git a/generic/tclNamesp.c b/generic/tclNamesp.c
index 74dfaf8..7f6ecf5 100644
--- a/generic/tclNamesp.c
+++ b/generic/tclNamesp.c
@@ -382,6 +382,19 @@ Tcl_PopCallFrame(
     register CallFrame *framePtr = iPtr->framePtr;
     Namespace *nsPtr;
 
+    /*
+     * It's important to remove the call frame from the interpreter's stack of
+     * call frames before deleting local variables, so that traces invoked by
+     * the variable deletion don't see the partially-deleted frame.
+     */
+
+    if (framePtr->callerPtr) {
+	iPtr->framePtr = framePtr->callerPtr;
+	iPtr->varFramePtr = framePtr->callerVarPtr;
+    } else {
+	/* Tcl_PopCallFrame: trying to pop rootCallFrame! */
+    }
+
     if (framePtr->varTablePtr != NULL) {
 	TclDeleteVars(iPtr, framePtr->varTablePtr);
 	ckfree(framePtr->varTablePtr);
@@ -409,13 +422,6 @@ Tcl_PopCallFrame(
     }
     framePtr->nsPtr = NULL;
 
-    if (framePtr->callerPtr) {
-	iPtr->framePtr = framePtr->callerPtr;
-	iPtr->varFramePtr = framePtr->callerVarPtr;
-    } else {
-	/* Tcl_PopCallFrame: trying to pop rootCallFrame! */
-    }
-
     if (framePtr->tailcallPtr) {
 	TclSetTailcall(interp, framePtr->tailcallPtr);
     }