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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - REGRESSION(r203537): It made many tests crash on ARMv7 Linux platforms"
href="https://bugs.webkit.org/show_bug.cgi?id=160082#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - REGRESSION(r203537): It made many tests crash on ARMv7 Linux platforms"
href="https://bugs.webkit.org/show_bug.cgi?id=160082">bug 160082</a>
from <span class="vcard"><a class="email" href="mailto:ossy@webkit.org" title="Csaba Osztrogonác <ossy@webkit.org>"> <span class="fn">Csaba Osztrogonác</span></a>
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<pre>(In reply to <a href="show_bug.cgi?id=160082#c1">comment #1</a>)
<span class="quote">> Managed to get a crash backtrace:
>
> Running sunspider-1.0/access-fannkuch.js.no-llint
> sunspider-1.0/access-fannkuch.js.no-llint: ASSERTION FAILED:
> !(reinterpret_cast<intptr_t>(target) & 1)
> sunspider-1.0/access-fannkuch.js.no-llint:
> ../../Source/JavaScriptCore/assembler/ARMv7Assembler.h(2757) : static void
> JSC::ARMv7Assembler::linkJumpAbsolute(uint16_t*, const uint16_t*, void*)
> sunspider-1.0/access-fannkuch.js.no-llint: 1 0xb63d0028 WTFCrash
> sunspider-1.0/access-fannkuch.js.no-llint: 2 0xb5c54616
> JSC::ARMv7Assembler::linkJumpAbsolute(unsigned short*, unsigned short
> const*, void*)
> sunspider-1.0/access-fannkuch.js.no-llint: 3 0xb5c544ce
> JSC::ARMv7Assembler::linkJump(void*, JSC::AssemblerLabel, void*)
> sunspider-1.0/access-fannkuch.js.no-llint: 4 0xb5c554a4
> JSC::AbstractMacroAssembler<JSC::ARMv7Assembler,
> JSC::MacroAssemblerARMv7>::linkJump(void*,
> JSC::AbstractMacroAssembler<JSC::ARMv7Assembler,
> JSC::MacroAssemblerARMv7>::Jump, JSC::CodeLocationLabel)
> sunspider-1.0/access-fannkuch.js.no-llint: 5 0xb5c55144
> JSC::LinkBuffer::link(JSC::AbstractMacroAssembler<JSC::ARMv7Assembler,
> JSC::MacroAssemblerARMv7>::Jump, JSC::CodeLocationLabel)
> sunspider-1.0/access-fannkuch.js.no-llint: 6 0xb609a95e
> JSC::JITMathIC<JSC::JITAddGenerator>::generateOutOfLine(JSC::VM&,
> JSC::CodeBlock*, JSC::FunctionPtr)
> sunspider-1.0/access-fannkuch.js.no-llint: 7 0xb6094d52
> sunspider-1.0/access-fannkuch.js.no-llint: Segmentation fault
> sunspider-1.0/access-fannkuch.js.no-llint: ERROR: Unexpected exit code: 139
> FAIL: sunspider-1.0/access-fannkuch.js.no-llint</span >
It is an assertion on ARMv7 Thumb2 Linux. Didn't you notice the same
crashes on your internal ARMv7 tester bots. ( Maybe it is a silly question,
because they are completely broken 2 days ago after Filip's hacking. :) )</pre>
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