[Webkit-unassigned] [Bug 229495] New: Many ChakraCore.yaml JSC tests are flaky failures

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=229495

            Bug ID: 229495
           Summary: Many ChakraCore.yaml JSC tests are flaky failures
           Product: WebKit
           Version: Other
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: aakash_jain at apple.com

Many ChakraCore.yaml JSC tests are flaky failures.

e.g.:
https://ews-build.webkit.org/#/builders/45/builds/6414

Found 149 pre-existing JSC test failures: 
ChakraCore.yaml/ChakraCore/test/Function/argumentsResolution.js.default,
ChakraCore.yaml/ChakraCore/test/Operators/unaryOps.js.default,
stress/for-in-tests.js.default,
ChakraCore.yaml/ChakraCore/test/es6/unicode_whitespace.js.default,
ChakraCore.yaml/ChakraCore/test/UnifiedRegex/class-case.js.default,
stress/for-in-modify-int-loop-var.js.eager-jettison-no-cjit,
stress/has-own-property-structure-for-in-loop-correctness.js.no-llint,
stress/for-in-invalidate-context-weird-assignments.js.no-cjit-collect-continuously,
stress/sloppy-mode-function-hoisting.js.no-cjit-collect-continuously,
microbenchmarks/sorting-benchmark.js.mini-mode ... 

Found flaky tests: 
ChakraCore.yaml/ChakraCore/test/Bugs/blue_1096569.js.default,
ChakraCore.yaml/ChakraCore/test/Error/CallNonFunction.js.default,
ChakraCore.yaml/ChakraCore/test/Error/ErrorCtorProps.js.default,
ChakraCore.yaml/ChakraCore/test/Function/argumentsResolution.js.default,
ChakraCore.yaml/ChakraCore/test/Object/defineProperty.js.default,
ChakraCore.yaml/ChakraCore/test/Operators/unaryOps.js.default,
ChakraCore.yaml/ChakraCore/test/UnifiedRegex/class-case.js.default,
ChakraCore.yaml/ChakraCore/test/es5/enumerable.js.default,
ChakraCore.yaml/ChakraCore/test/es5/hasItem.js.default,
ChakraCore.yaml/ChakraCore/test/es6/unicode_whitespace.js.default


Other examples:
https://ews-build.webkit.org/#/builders/45/builds/6427
https://ews-build.webkit.org/#/builders/45/builds/6375
https://ews-build.webkit.org/#/builders/45/builds/6320

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