[Webkit-unassigned] [Bug 165728] New: REGRESSION(r209653) Crash in CallFrameShuffler::snapshot()

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=165728

            Bug ID: 165728
           Summary: REGRESSION(r209653) Crash in
                    CallFrameShuffler::snapshot()
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: msaboff at apple.com

* thread #1: tid = 0x1c5c6c9, 0x000000011031d738 JavaScriptCore`JSC::CachedRecovery::recovery(this=0x0000000000000000) const + 8 at CachedRecovery.h:115, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1, address=0x0)
    frame #0: 0x000000011031d738 JavaScriptCore`JSC::CachedRecovery::recovery(this=0x0000000000000000) const + 8 at CachedRecovery.h:115
  * frame #1: 0x000000011101f2dd JavaScriptCore`JSC::CallFrameShuffler::snapshot(this=0x0000000113bb8500, argumentsLocation=RegisterArgs4InRegisters) const + 653 at CallFrameShuffler.h:122
    frame #2: 0x000000011101ddb1 JavaScriptCore`JSC::linkPolymorphicCall(exec=0x00007fff4fda2590, callLinkInfo=0x0000000113b82480, newVariant=CallVariant @ 0x00007fff4fda1bc8) + 7233 at Repatch.cpp:929
    frame #3: 0x0000000110be0648 JavaScriptCore`::operationLinkPolymorphicCall(execCallee=0x00007fff4fda2590, callLinkInfo=0x0000000113b82480) + 152 at JITOperations.cpp:1091
    frame #4: 0x00003c83a9c00f7a
...

snapshot() can't handle a ValueRecovery targeted to multiple argument registers.

-- 
You are receiving this mail because:
You are the assignee for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.webkit.org/pipermail/webkit-unassigned/attachments/20161210/7fdd4e5a/attachment.html>