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Fixing bug 420858. Don't define fast expandos when binding names in JS. r+sr=brendan@mozilla.org

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This commit is contained in:
jst@mozilla.org 2008-03-04 20:43:57 -08:00
parent a7eaea7ec0
commit a4a2644b3b
1 changed files with 6 additions and 5 deletions
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11
dom/src/base/nsDOMClassInfo.cpp
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@ -6186,11 +6186,12 @@ nsWindowSH::NewResolve(nsIXPConnectWrappedNative *wrapper, JSContext *cx,
return rv;
}
// Make a fast expando if we're assigning to (not declaring) a new
// undefined property that's not already defined on our prototype
// chain. This way we can access this expando w/o ever getting back
// into XPConnect.
if ((flags & (JSRESOLVE_ASSIGNING)) && win->IsInnerWindow()) {
// Make a fast expando if we're assigning to (not declaring or
// binding a name) a new undefined property that's not already
// defined on our prototype chain. This way we can access this
// expando w/o ever getting back into XPConnect.
if ((flags & (JSRESOLVE_ASSIGNING)) && (JSOp)*cx->fp->pc != JSOP_BINDNAME &&
win->IsInnerWindow()) {
JSObject *realObj;
wrapper->GetJSObject(&realObj);