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[INFER] Mark unexpected undefined result for JSON.stringify, bug 642161.

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This commit is contained in:
Brian Hackett 2011-03-16 19:26:49 -07:00
parent 0fe6bffa50
commit 32ed3e9e97
2 changed files with 3 additions and 0 deletions
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1
js/src/jit-test/tests/basic/bug642161.js Normal file
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@ -0,0 +1 @@
assertEq(JSON.stringify(0 | "prefix" || Boolean), undefined);

2
js/src/json.cpp
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@ -162,6 +162,8 @@ js_json_stringify(JSContext *cx, uintN argc, Value *vp)
return JS_FALSE;
vp->setString(str);
} else {
if (!cx->markTypeCallerUnexpected(types::TYPE_UNDEFINED))
return JS_FALSE;
vp->setUndefined();
}