[Webkit-unassigned] [Bug 154857] New: [ARM] ASSERTION FAILED: !(reinterpret_cast<intptr_t>(to) & 1) on Linux

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=154857

            Bug ID: 154857
           Summary: [ARM] ASSERTION FAILED:
                    !(reinterpret_cast<intptr_t>(to) & 1) on Linux
    Classification: Unclassified
           Product: WebKit
           Version: Other
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Critical
          Priority: P1
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ossy at webkit.org
            Blocks: 108645

With ARMv7Assembler (Thumb2) I get many assertions like this:

ASSERTION FAILED: !(reinterpret_cast<intptr_t>(to) & 1)
../../Source/JavaScriptCore/assembler/ARMv7Assembler.h(2206) : static void JSC::ARMv7Assembler::relinkJump(void*, void*)
1   0xb650ca3c WTFCrash
2   0xb6012fb8 JSC::ARMv7Assembler::relinkJump(void*, void*)
3   0xb6229ca4 JSC::AbstractMacroAssembler<JSC::ARMv7Assembler, JSC::MacroAssemblerARMv7>::repatchNearCall(JSC::CodeLocationNearCall, JSC::CodeLocationLabel)
4   0xb6226d0a JSC::linkFor(JSC::ExecState*, JSC::CallLinkInfo&, JSC::CodeBlock*, JSC::JSFunction*, JSC::MacroAssemblerCodePtr)
5   0xb620815e

It's easy to reproduce, it always hits on cdjs-tests.yaml/main.js test .
I don't know which revision caused this regression, because I didn't
run JSC stress tests in debug mode long time ago.

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