[Webkit-unassigned] [Bug 136162] New: [JSC] ASSERTION FAILED: imm26 == (imm26 << 6) >> 6 in JSC::ARM64Assembler::unconditionalBranchImmediate

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=136162

           Summary: [JSC] ASSERTION FAILED: imm26 == (imm26 << 6) >> 6 in
                    JSC::ARM64Assembler::unconditionalBranchImmediate
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: akiss at inf.u-szeged.hu


When running tests on EFL/ARM64, jsc sporadically segfaults with "ASSERTION FAILED: imm26 == (imm26 << 6) >> 6" in JSC::ARM64Assembler::unconditionalBranchImmediate (e.g., when linking a call from 0x7fa76df114 to 0x7fb0728a20). The error is non-deterministic, it depends on where the executable allocator allocates chunks of memory.

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