From 47845aaf1d332a356f85f8e380c9bd7a8d2fce18 Mon Sep 17 00:00:00 2001
From: "brendan%mozilla.org"
 <brendan%mozilla.org@18797224-902f-48f8-a5cc-f745e15eee43>
Date: Tue, 15 Feb 2005 19:21:26 +0000
Subject: [PATCH] Fix Detecting to cope with no active frames on cx (281984,
 r=jst).

git-svn-id: svn://10.0.0.236/trunk@169208 18797224-902f-48f8-a5cc-f745e15eee43
---
 mozilla/js/src/jsobj.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/mozilla/js/src/jsobj.c b/mozilla/js/src/jsobj.c
index 1aeebf515ce..b7be65d92ac 100644
--- a/mozilla/js/src/jsobj.c
+++ b/mozilla/js/src/jsobj.c
@@ -2368,6 +2368,8 @@ Detecting(JSContext *cx, jsbytecode *pc)
     JSOp op;
     JSAtom *atom;
 
+    if (!cx->fp)
+        return JS_FALSE;
     script = cx->fp->script;
     for (endpc = script->code + script->length; pc < endpc; pc++) {
         /* General case: a branch or equality op follows the access. */