[Webkit-unassigned] [Bug 156016] New: REGRESSION (r198808): 16 32-bit JSC tests fail after adding support for ES6 Symbol.isConcatSpreadable

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=156016

            Bug ID: 156016
           Summary: REGRESSION (r198808): 16 32-bit JSC tests fail after
                    adding support for ES6 Symbol.isConcatSpreadable
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ddkilzer at webkit.org
                CC: keith_miller at apple.com, ryanhaddad at apple.com
        Depends on: 155351

Between the Yosemite and El Capitan bots:

Yosemite:   <https://build.webkit.org/builders/Apple%20Yosemite%2032-bit%20JSC%20(BuildAndTest)?numbuilds=50>
El Capitan: <https://build.webkit.org/builders/Apple%20El%20Capitan%2032-bit%20JSC%20(BuildAndTest)?numbuilds=50>

I found that r198808 (the fix for Bug 155351) caused 16 JSC tests to fail on 32-bit testers:

Build:  <https://build.webkit.org/builders/Apple%20Yosemite%2032-bit%20JSC%20%28BuildAndTest%29/builds/8602>

List of failing tests:

** The following JSC stress test failures have been introduced:
    jsc-layout-tests.yaml/js/script-tests/Object-assign.js.layout-dfg-eager-no-cjit
    jsc-layout-tests.yaml/js/script-tests/Object-assign.js.layout-ftl-eager-no-cjit
    stress/array-concat-spread-object.js.always-trigger-copy-phase
    stress/array-concat-spread-object.js.default
    stress/array-concat-spread-object.js.default-ftl
    stress/array-concat-spread-object.js.dfg-eager
    stress/array-concat-spread-object.js.dfg-eager-no-cjit-validate
    stress/array-concat-spread-object.js.dfg-maximal-flush-validate-no-cjit
    stress/array-concat-spread-object.js.ftl-eager
    stress/array-concat-spread-object.js.ftl-eager-no-cjit
    stress/array-concat-spread-object.js.ftl-no-cjit-no-inline-validate
    stress/array-concat-spread-object.js.ftl-no-cjit-no-put-stack-validate
    stress/array-concat-spread-object.js.ftl-no-cjit-small-pool
    stress/array-concat-spread-object.js.ftl-no-cjit-validate-sampling-profiler
    stress/array-concat-spread-object.js.no-cjit-validate-phases
    stress/array-concat-spread-object.js.no-llint

Results for JSC stress tests:
    16 failures found.

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