1 files changed, 2 insertions, 5 deletions
diff --git a/generic/tclListObj.c b/generic/tclListObj.c
index 22f1960..e1dba8c 100644
--- a/generic/tclListObj.c
+++ b/generic/tclListObj.c
@@ -846,11 +846,8 @@ Tcl_ListObjReplace(
     }
     if (count < 0) {
 	count = 0;
-    } else if (numElems < first+count || first+count < 0) {
-	/*
-	 * The 'first+count < 0' condition here guards agains integer
-	 * overflow in determining 'first+count'
-	 */
+    } else if (first > INT_MAX - count /* Handle integer overflow */
+	    || numElems < first+count) {
 	count = numElems - first;
     }