[Webkit-unassigned] [Bug 207843] New: REGRESSION (r 256665 ?) wasm.yaml/wasm/ tests are flaky failing

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=207843

            Bug ID: 207843
           Summary: REGRESSION (r 256665 ?) wasm.yaml/wasm/ tests are
                    flaky failing
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Macintosh
                OS: macOS 10.15
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: Lawrence.j at apple.com

The following JSC stress test failures have been introduced:
        wasm.yaml/wasm/function-tests/grow-memory-cause-gc.js.wasm-eager
        wasm.yaml/wasm/function-tests/memory-import-and-grow.js.default-wasm
        wasm.yaml/wasm/function-tests/memory-import-and-grow.js.wasm-eager
        wasm.yaml/wasm/function-tests/memory-import-and-grow.js.wasm-eager-jettison
        wasm.yaml/wasm/function-tests/memory-import-and-grow.js.wasm-no-cjit-yes-tls-context
        wasm.yaml/wasm/function-tests/memory-import-and-grow.js.wasm-no-tls-context
        wasm.yaml/wasm/function-tests/trap-after-cross-instance-call.js.wasm-eager
        wasm.yaml/wasm/function-tests/trap-after-cross-instance-call.js.wasm-no-cjit-yes-tls-context
        wasm.yaml/wasm/function-tests/trap-load-2.js.wasm-eager
        wasm.yaml/wasm/function-tests/trap-load.js.wasm-eager
        wasm.yaml/wasm/function-tests/trap-load.js.wasm-no-cjit-yes-tls-context
        wasm.yaml/wasm/function-tests/trap-store-2.js.wasm-eager
        wasm.yaml/wasm/function-tests/trap-store.js.wasm-eager
        wasm.yaml/wasm/function-tests/trap-store.js.wasm-no-cjit-yes-tls-context
        wasm.yaml/wasm/fuzz/memory.js.default-wasm
        wasm.yaml/wasm/fuzz/memory.js.wasm-eager
        wasm.yaml/wasm/fuzz/memory.js.wasm-eager-jettison
        wasm.yaml/wasm/fuzz/memory.js.wasm-no-tls-context
        wasm.yaml/wasm/js-api/dont-mmap-zero-byte-memory.js.wasm-eager
        wasm.yaml/wasm/js-api/dont-mmap-zero-byte-memory.js.wasm-no-cjit-yes-tls-context
        wasm.yaml/wasm/js-api/test_memory.js.default-wasm
        wasm.yaml/wasm/js-api/test_memory.js.wasm-eager
        wasm.yaml/wasm/js-api/test_memory.js.wasm-eager-jettison
        wasm.yaml/wasm/js-api/test_memory.js.wasm-no-cjit-yes-tls-context
        wasm.yaml/wasm/spec-tests/address.wast.js.wasm-no-tls-context
        wasm.yaml/wasm/spec-tests/br_table.wast.js.wasm-no-cjit-yes-tls-context

Description:
Multiple wasm.yaml/wasm tests are failing. The regression appears to be related to the changes in r256665.

History:
https://results.webkit.org/?suite=javascriptcore-tests&suite=javascriptcore-tests&suite=javascriptcore-tests&suite=javascriptcore-tests&suite=javascriptcore-tests&suite=javascriptcore-tests&suite=javascriptcore-tests&suite=javascriptcore-tests&suite=javascriptcore-tests&suite=javascriptcore-tests&suite=javascriptcore-tests&suite=javascriptcore-tests&suite=javascriptcore-tests&suite=javascriptcore-tests&suite=javascriptcore-tests&suite=javascriptcore-tests&suite=javascriptcore-tests&suite=javascriptcore-tests&suite=javascriptcore-tests&suite=javascriptcore-tests&suite=javascriptcore-tests&suite=javascriptcore-tests&suite=javascriptcore-tests&suite=javascriptcore-tests&suite=javascriptcore-tests&suite=javascriptcore-tests&suite=javascriptcore-tests&suite=javascriptcore-tests&suite=javascriptcore-tests&suite=javascriptcore-tests&suite=javascriptcore-tests&suite=javascriptcore-tests&test=wasm.yaml%2Fwasm%2Ffunction-tests%2Fgrow-memory-cause-gc.js.wasm-eager&test=wasm.yaml%2Fwasm%2Ffunction-tests%2Fmemory-import-and-grow.js.default-wasm&test=wasm.yaml%2Fwasm%2Ffunction-tests%2Fmemory-import-and-grow.js.wasm-eager&test=wasm.yaml%2Fwasm%2Ffunction-tests%2Fmemory-import-and-grow.js.wasm-eager-jettison&test=wasm.yaml%2Fwasm%2Ffunction-tests%2Fmemory-import-and-grow.js.wasm-no-cjit-yes-tls-context&test=wasm.yaml%2Fwasm%2Ffunction-tests%2Fmemory-import-and-grow.js.wasm-no-tls-context&test=wasm.yaml%2Fwasm%2Ffunction-tests%2Ftrap-after-cross-instance-call.js.wasm-eager&test=wasm.yaml%2Fwasm%2Ffunction-tests%2Ftrap-after-cross-instance-call.js.wasm-eager-jettison&test=wasm.yaml%2Fwasm%2Ffunction-tests%2Ftrap-after-cross-instance-call.js.wasm-no-cjit-yes-tls-context&test=wasm.yaml%2Fwasm%2Ffunction-tests%2Ftrap-load-2.js.wasm-eager&test=wasm.yaml%2Fwasm%2Ffunction-tests%2Ftrap-load-2.js.wasm-eager-jettison&test=wasm.yaml%2Fwasm%2Ffunction-tests%2Ftrap-load.js.wasm-eager&test=wasm.yaml%2Fwasm%2Ffunction-tests%2Ftrap-load.js.wasm-eager-jettison&test=wasm.yaml%2Fwasm%2Ffunction-tests%2Ftrap-load.js.wasm-no-cjit-yes-tls-context&test=wasm.yaml%2Fwasm%2Ffunction-tests%2Ftrap-store-2.js.wasm-eager&test=wasm.yaml%2Fwasm%2Ffunction-tests%2Ftrap-store-2.js.wasm-eager-jettison&test=wasm.yaml%2Fwasm%2Ffunction-tests%2Ftrap-store.js.wasm-eager&test=wasm.yaml%2Fwasm%2Ffunction-tests%2Ftrap-store.js.wasm-eager-jettison&test=wasm.yaml%2Fwasm%2Ffunction-tests%2Ftrap-store.js.wasm-no-cjit-yes-tls-context&test=wasm.yaml%2Fwasm%2Ffuzz%2Fmemory.js.default-wasm&test=wasm.yaml%2Fwasm%2Ffuzz%2Fmemory.js.wasm-eager&test=wasm.yaml%2Fwasm%2Ffuzz%2Fmemory.js.wasm-eager-jettison&test=wasm.yaml%2Fwasm%2Ffuzz%2Fmemory.js.wasm-no-tls-context&test=wasm.yaml%2Fwasm%2Fjs-api%2Fdont-mmap-zero-byte-memory.js.wasm-eager&test=wasm.yaml%2Fwasm%2Fjs-api%2Fdont-mmap-zero-byte-memory.js.wasm-eager-jettison&test=wasm.yaml%2Fwasm%2Fjs-api%2Fdont-mmap-zero-byte-memory.js.wasm-no-cjit-yes-tls-context&test=wasm.yaml%2Fwasm%2Fjs-api%2Ftest_memory.js.default-wasm&test=wasm.yaml%2Fwasm%2Fjs-api%2Ftest_memory.js.wasm-eager&test=wasm.yaml%2Fwasm%2Fjs-api%2Ftest_memory.js.wasm-eager-jettison&test=wasm.yaml%2Fwasm%2Fjs-api%2Ftest_memory.js.wasm-no-cjit-yes-tls-context&test=wasm.yaml%2Fwasm%2Fspec-tests%2Faddress.wast.js.wasm-no-tls-context&test=wasm.yaml%2Fwasm%2Fspec-tests%2Fbr_table.wast.js.wasm-no-cjit-yes-tls-context&limit=50000

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