From daee041a64aec08eafa697a1547487d032f10bec Mon Sep 17 00:00:00 2001
From: "brendan%mozilla.org" <brendan%mozilla.org>
Date: Sun, 2 Apr 2006 19:07:49 +0000
Subject: [PATCH] Undepend regexp source string so error message formatted arg
 refs into it work (332472, r=mrbkap).

---
 js/src/jsregexp.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/js/src/jsregexp.c b/js/src/jsregexp.c
index 89f43d8fa694..263d4bc4e413 100644
--- a/js/src/jsregexp.c
+++ b/js/src/jsregexp.c
@@ -1927,7 +1927,10 @@ js_NewRegExp(JSContext *cx, JSTokenStream *ts,
 
     state.context = cx;
     state.tokenStream = ts;
-    state.cpbegin = state.cp = JSSTRING_CHARS(str);
+    state.cp = js_UndependString(cx, str);
+    if (!state.cp)
+        goto out;
+    state.cpbegin = state.cp;
     state.cpend = state.cp + len;
     state.flags = flags;
     state.parenCount = 0;