Index: generic/tclExecute.c
===================================================================
RCS file: /cvsroot/tcl/tcl/generic/tclExecute.c,v
retrieving revision 1.37
diff -u -r1.37 tclExecute.c
--- generic/tclExecute.c	2001/11/16 20:14:27	1.37
+++ generic/tclExecute.c	2001/11/19 22:58:41
@@ -261,8 +261,7 @@
 static char *		StringForResultCode _ANSI_ARGS_((int result));
 static void		ValidatePcAndStackTop _ANSI_ARGS_((
 			    ByteCode *codePtr, unsigned char *pc,
-			    int stackTop, int stackLowerBound,
-			    int stackUpperBound));
+			    int stackTop, int stackLowerBound));
 #endif
 static int		VerifyExprObjType _ANSI_ARGS_((Tcl_Interp *interp,
 			    Tcl_Obj *objPtr));
@@ -588,8 +587,7 @@
 
     for (;;) {
 #ifdef TCL_COMPILE_DEBUG
-	ValidatePcAndStackTop(codePtr, pc, stackTop, initStackTop,
-		eePtr->stackEnd);
+	ValidatePcAndStackTop(codePtr, pc, stackTop, initStackTop);
         if (traceInstructions) {
             fprintf(stdout, "%2d: %2d ", iPtr->numLevels, stackTop);
             TclPrintInstruction(codePtr, pc);
@@ -726,6 +724,9 @@
 				 /* Reference to memory block containing
 				  * objv array (must be kept live throughout
 				  * trace and command invokations.) */
+#ifdef TCL_COMPILE_DEBUG
+		char cmdNameBuf[21];
+#endif
 
 		objv = &(stackPtr[stackTop - (objc-1)]);
 
@@ -3632,8 +3633,7 @@
 
 #ifdef TCL_COMPILE_DEBUG
 static void
-ValidatePcAndStackTop(codePtr, pc, stackTop, stackLowerBound,
-        stackUpperBound)
+ValidatePcAndStackTop(codePtr, pc, stackTop, stackLowerBound)
     register ByteCode *codePtr; /* The bytecode whose summary is printed
 				 * to stdout. */
     unsigned char *pc;		/* Points to first byte of a bytecode
@@ -3642,8 +3642,9 @@
 				 * stackLowerBound and stackUpperBound
 				 * (inclusive). */
     int stackLowerBound;	/* Smallest legal value for stackTop. */
-    int stackUpperBound;	/* Greatest legal value for stackTop. */
 {
+    int stackUpperBound = stackLowerBound +  codePtr->maxStackDepth;	
+                                /* Greatest legal value for stackTop. */
     unsigned int relativePc = (unsigned int) (pc - codePtr->codeStart);
     unsigned int codeStart = (unsigned int) codePtr->codeStart;
     unsigned int codeEnd = (unsigned int)
