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Bug 488802 - Crash at [@js_Interpret] on YOMIURI ONLINE (r=mrbkap).

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This commit is contained in:
Brendan Eich 2009-04-16 23:35:58 -07:00
parent 9c8203f872
commit fc377191d1
1 changed files with 13 additions and 3 deletions
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16
js/src/jsparse.cpp
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@ -5296,6 +5296,15 @@ Statement(JSContext *cx, JSTokenStream *ts, JSTreeContext *tc)
return MatchOrInsertSemicolon(cx, ts) ? pn : NULL;
}
static void
NoteArgumentsUse(JSTreeContext *tc)
{
JS_ASSERT(tc->flags & TCF_IN_FUNCTION);
tc->flags |= TCF_FUN_USES_ARGUMENTS;
if (tc->funbox)
tc->funbox->node->pn_dflags |= PND_FUNARG;
}
static JSParseNode *
Variables(JSContext *cx, JSTokenStream *ts, JSTreeContext *tc, bool inLetHead)
{
@ -5461,8 +5470,9 @@ Variables(JSContext *cx, JSTokenStream *ts, JSTreeContext *tc, bool inLetHead)
/* The declarator's position must include the initializer. */
pn2->pn_pos.end = init->pn_pos.end;
if (atom == cx->runtime->atomState.argumentsAtom) {
tc->flags |= TCF_FUN_USES_ARGUMENTS;
if ((tc->flags & TCF_IN_FUNCTION) &&
atom == cx->runtime->atomState.argumentsAtom) {
NoteArgumentsUse(tc);
if (!let)
tc->flags |= TCF_FUN_HEAVYWEIGHT;
}
@ -7882,7 +7892,7 @@ PrimaryExpr(JSContext *cx, JSTokenStream *ts, JSTreeContext *tc,
* a reference of the form foo.arguments, which ancient code may
* still use instead of arguments (more hate).
*/
tc->flags |= TCF_FUN_USES_ARGUMENTS;
NoteArgumentsUse(tc);
/*
* Bind early to JSOP_ARGUMENTS to relieve later code from having