Verified Commit 0346d71c authored by Jan de Mooij's avatar Jan de Mooij Committed by ma1
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Bug 2045957 - Initialize BaselineFrame return value slot in... 

Bug 2045957 - Initialize BaselineFrame return value slot in OnLeaveBaselineFrame.  a=pascalc DONTBUILD

Original Revision: https://phabricator.services.mozilla.com/D305464

Differential Revision: https://phabricator.services.mozilla.com/D307470
parent 190d775c

js/src/jit/JitFrames.cpp

+3 −0
Changes for js/src/jit/JitFrames.cpp: 3 added lines, 0 removed lines.
Original line number Diff line number Diff line
@@ -387,6 +387,9 @@ static void OnLeaveBaselineFrame(JSContext* cx, const JSJitFrameIter& frame, 
  BaselineFrame* baselineFrame = frame.baselineFrame();

  bool returnFromThisFrame = jit::DebugEpilogue(cx, baselineFrame, pc, frameOk);

  if (returnFromThisFrame) {

    if (!baselineFrame->hasReturnValue()) {

      baselineFrame->setReturnValue(UndefinedValue());

    }

    rfe->kind = ExceptionResumeKind::ForcedReturnBaseline;

    rfe->framePointer = frame.fp();

    rfe->stackPointer = reinterpret_cast<uint8_t*>(baselineFrame);