[Webkit-unassigned] [Bug 223058] New: GDB can't unwind a JSC LLInt stack to show backtrace

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=223058

            Bug ID: 223058
           Summary: GDB can't unwind a JSC LLInt stack to show backtrace
           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: Hironori.Fujii at sony.com

Created attachment 422904

  --> https://bugs.webkit.org/attachment.cgi?id=422904&action=review

Patch to crash jsc shell

GDB can't unwind a JSC LLInt stack to show backtrace

I created a coredump by crashing jsc shell.

(gdb) bt
#0  __GI_raise (sig=sig at entry=6) at ../sysdeps/unix/sysv/linux/raise.c:49
#1  0x00007fc562f16864 in __GI_abort () at abort.c:79
#2  0x0000562a8b718952 in CRASH_WITH_INFO(...) () at DerivedSources/ForwardingHeaders/wtf/Assertions.h:713
#3  0x0000562a8b6fd741 in (anonymous namespace)::jscExit (status=0) at ../../Source/JavaScriptCore/jsc.cpp:169
#4  0x0000562a8b70c4a4 in functionQuit (globalObject=0x7fc51fff6068) at ../../Source/JavaScriptCore/jsc.cpp:2262
#5  0x00007fc5204ff178 in ?? ()
#6  0x00007ffcbae56e30 in ?? ()
#7  0x00007fc5635ad7e1 in llint_op_call () at /home/fujii/webkit/gb/Source/JavaScriptCore/llint/LowLevelInterpreter.asm:1093
#8  0x0000000000000000 in ?? ()

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