Seeing the following test timeout on the Catalina Release JSC bot: stress/operand-should-fit-in-abstract-heap-encoded-payload-format.js.default: HARD TIMEOUT after 300.000000 sec stress/operand-should-fit-in-abstract-heap-encoded-payload-format.js.default: ERROR: Unexpected exit code: 1 https://build.webkit.org/builders/Apple-Catalina-Release-JSC-Tests/builds/3143/steps/jscore-test/logs/stdio https://results.webkit.org/?suite=javascriptcore-tests&test=stress%2Foperand-should-fit-in-abstract-heap-encoded-payload-format.js.default
<rdar://problem/66292750>
JSC changes in the regression range: https://trac.webkit.org/changeset/264671/webkit (Linux build fix) https://trac.webkit.org/changeset/264672/webkit (Disable NO_SMT by default) https://trac.webkit.org/changeset/264673/webkit (Fix FinalizationRegistry GC finalizer interation) https://trac.webkit.org/changeset/264674/webkit (Use CatchScope in microtask execution)