From e7a220aae2dd6f92c57b92fdd08ff94e5826c035 Mon Sep 17 00:00:00 2001 From: janekptacijarabaci Date: Sun, 25 Mar 2018 14:48:34 +0200 Subject: Bug 1331585 - Allow falsy "done" values for IteratorClose due to exception during array destructuring Issue #74 --- js/src/jit/JitFrames.cpp | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) (limited to 'js/src/jit') diff --git a/js/src/jit/JitFrames.cpp b/js/src/jit/JitFrames.cpp index 30bbd0b9b..7c3f0d120 100644 --- a/js/src/jit/JitFrames.cpp +++ b/js/src/jit/JitFrames.cpp @@ -353,11 +353,11 @@ CloseLiveIteratorIon(JSContext* cx, const InlineFrameIterator& frame, JSTryNote* RootedObject iterObject(cx, &v.toObject()); if (isDestructuring) { - Value v = si.read(); - MOZ_ASSERT(v.isBoolean()); + RootedValue doneValue(cx, si.read()); + bool done = ToBoolean(doneValue); // Do not call IteratorClose if the destructuring iterator is already // done. - if (v.isTrue()) + if (done) return; } @@ -654,9 +654,9 @@ ProcessTryNotesBaseline(JSContext* cx, const JitFrameIterator& frame, Environmen uint8_t* framePointer; uint8_t* stackPointer; BaselineFrameAndStackPointersFromTryNote(tn, frame, &framePointer, &stackPointer); - Value doneValue(*(reinterpret_cast(stackPointer))); - MOZ_ASSERT(doneValue.isBoolean()); - if (doneValue.isFalse()) { + RootedValue doneValue(cx, *(reinterpret_cast(stackPointer))); + bool done = ToBoolean(doneValue); + if (!done) { Value iterValue(*(reinterpret_cast(stackPointer) + 1)); RootedObject iterObject(cx, &iterValue.toObject()); if (!IteratorCloseForException(cx, iterObject)) { -- cgit v1.2.3