[Webkit-unassigned] [Bug 143160] New: jsc stress tests failing with debugger enabled

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Fri Mar 27 15:44:47 PDT 2015


https://bugs.webkit.org/show_bug.cgi?id=143160

            Bug ID: 143160
           Summary: jsc stress tests failing with debugger enabled
    Classification: Unclassified
           Product: WebKit
           Version: 528+ (Nightly build)
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mark.lam at apple.com

By setting Options::forceDebuggerBytecodeGeneration() = true to force the BytecodeGenerator to generate debugger friendly bytecode, the JSC stress tests now fails as follows:

** The following JSC stress test failures have been introduced:
    jsc-layout-tests.yaml/js/script-tests/arguments-iterator.js.layout
    jsc-layout-tests.yaml/js/script-tests/arguments-iterator.js.layout-dfg-eager-no-cjit
    jsc-layout-tests.yaml/js/script-tests/arguments-iterator.js.layout-ftl
    jsc-layout-tests.yaml/js/script-tests/arguments-iterator.js.layout-ftl-eager-no-cjit
    jsc-layout-tests.yaml/js/script-tests/arguments-iterator.js.layout-ftl-no-cjit
    jsc-layout-tests.yaml/js/script-tests/arguments-iterator.js.layout-no-cjit
    jsc-layout-tests.yaml/js/script-tests/arguments-iterator.js.layout-no-llint
    jsc-layout-tests.yaml/js/script-tests/arguments.js.layout
    jsc-layout-tests.yaml/js/script-tests/arguments.js.layout-dfg-eager-no-cjit
    jsc-layout-tests.yaml/js/script-tests/arguments.js.layout-ftl
    jsc-layout-tests.yaml/js/script-tests/arguments.js.layout-ftl-eager-no-cjit
    jsc-layout-tests.yaml/js/script-tests/arguments.js.layout-ftl-no-cjit
    jsc-layout-tests.yaml/js/script-tests/arguments.js.layout-no-cjit
    jsc-layout-tests.yaml/js/script-tests/arguments.js.layout-no-llint
    jsc-layout-tests.yaml/js/script-tests/basic-strict-mode.js.layout
    jsc-layout-tests.yaml/js/script-tests/basic-strict-mode.js.layout-dfg-eager-no-cjit
    jsc-layout-tests.yaml/js/script-tests/basic-strict-mode.js.layout-ftl
    jsc-layout-tests.yaml/js/script-tests/basic-strict-mode.js.layout-ftl-eager-no-cjit
    jsc-layout-tests.yaml/js/script-tests/basic-strict-mode.js.layout-ftl-no-cjit
    jsc-layout-tests.yaml/js/script-tests/basic-strict-mode.js.layout-no-cjit
    jsc-layout-tests.yaml/js/script-tests/basic-strict-mode.js.layout-no-llint
    jsc-layout-tests.yaml/js/script-tests/class-syntax-default-constructor.js.layout-no-llint
    jsc-layout-tests.yaml/js/script-tests/class-syntax-name.js.layout
    jsc-layout-tests.yaml/js/script-tests/class-syntax-name.js.layout-dfg-eager-no-cjit
    jsc-layout-tests.yaml/js/script-tests/class-syntax-name.js.layout-ftl
    jsc-layout-tests.yaml/js/script-tests/class-syntax-name.js.layout-ftl-eager-no-cjit
    jsc-layout-tests.yaml/js/script-tests/class-syntax-name.js.layout-ftl-no-cjit
    jsc-layout-tests.yaml/js/script-tests/class-syntax-name.js.layout-no-cjit
    jsc-layout-tests.yaml/js/script-tests/class-syntax-name.js.layout-no-llint
    jsc-layout-tests.yaml/js/script-tests/const.js.layout
    jsc-layout-tests.yaml/js/script-tests/const.js.layout-dfg-eager-no-cjit
    jsc-layout-tests.yaml/js/script-tests/const.js.layout-ftl
    jsc-layout-tests.yaml/js/script-tests/const.js.layout-ftl-eager-no-cjit
    jsc-layout-tests.yaml/js/script-tests/const.js.layout-ftl-no-cjit
    jsc-layout-tests.yaml/js/script-tests/const.js.layout-no-cjit
    jsc-layout-tests.yaml/js/script-tests/const.js.layout-no-llint
    jsc-layout-tests.yaml/js/script-tests/constant-count.js.layout
    jsc-layout-tests.yaml/js/script-tests/constant-count.js.layout-dfg-eager-no-cjit
    jsc-layout-tests.yaml/js/script-tests/constant-count.js.layout-ftl
    jsc-layout-tests.yaml/js/script-tests/constant-count.js.layout-ftl-eager-no-cjit
    jsc-layout-tests.yaml/js/script-tests/constant-count.js.layout-ftl-no-cjit
    jsc-layout-tests.yaml/js/script-tests/constant-count.js.layout-no-cjit
    jsc-layout-tests.yaml/js/script-tests/constant-count.js.layout-no-llint
    jsc-layout-tests.yaml/js/script-tests/dfg-inline-arguments-become-double.js.layout
    jsc-layout-tests.yaml/js/script-tests/dfg-inline-arguments-become-double.js.layout-dfg-eager-no-cjit
    jsc-layout-tests.yaml/js/script-tests/dfg-inline-arguments-become-double.js.layout-ftl
    jsc-layout-tests.yaml/js/script-tests/dfg-inline-arguments-become-double.js.layout-ftl-eager-no-cjit
    jsc-layout-tests.yaml/js/script-tests/dfg-inline-arguments-become-double.js.layout-ftl-no-cjit
    jsc-layout-tests.yaml/js/script-tests/dfg-inline-arguments-become-double.js.layout-no-cjit
    jsc-layout-tests.yaml/js/script-tests/dfg-inline-arguments-become-double.js.layout-no-llint
    jsc-layout-tests.yaml/js/script-tests/dfg-inline-arguments-become-int32.js.layout
    jsc-layout-tests.yaml/js/script-tests/dfg-inline-arguments-become-int32.js.layout-dfg-eager-no-cjit
    jsc-layout-tests.yaml/js/script-tests/dfg-inline-arguments-become-int32.js.layout-ftl
    jsc-layout-tests.yaml/js/script-tests/dfg-inline-arguments-become-int32.js.layout-ftl-eager-no-cjit
    jsc-layout-tests.yaml/js/script-tests/dfg-inline-arguments-become-int32.js.layout-ftl-no-cjit
    jsc-layout-tests.yaml/js/script-tests/dfg-inline-arguments-become-int32.js.layout-no-cjit
    jsc-layout-tests.yaml/js/script-tests/dfg-inline-arguments-become-int32.js.layout-no-llint
    jsc-layout-tests.yaml/js/script-tests/dfg-inline-arguments-reset-changetype.js.layout
    jsc-layout-tests.yaml/js/script-tests/dfg-inline-arguments-reset-changetype.js.layout-dfg-eager-no-cjit
    jsc-layout-tests.yaml/js/script-tests/dfg-inline-arguments-reset-changetype.js.layout-ftl
    jsc-layout-tests.yaml/js/script-tests/dfg-inline-arguments-reset-changetype.js.layout-ftl-eager-no-cjit
    jsc-layout-tests.yaml/js/script-tests/dfg-inline-arguments-reset-changetype.js.layout-ftl-no-cjit
    jsc-layout-tests.yaml/js/script-tests/dfg-inline-arguments-reset-changetype.js.layout-no-cjit
    jsc-layout-tests.yaml/js/script-tests/dfg-inline-arguments-reset-changetype.js.layout-no-llint
    jsc-layout-tests.yaml/js/script-tests/dfg-inline-arguments-reset.js.layout
    jsc-layout-tests.yaml/js/script-tests/dfg-inline-arguments-reset.js.layout-dfg-eager-no-cjit
    jsc-layout-tests.yaml/js/script-tests/dfg-inline-arguments-reset.js.layout-ftl
    jsc-layout-tests.yaml/js/script-tests/dfg-inline-arguments-reset.js.layout-ftl-eager-no-cjit
    jsc-layout-tests.yaml/js/script-tests/dfg-inline-arguments-reset.js.layout-ftl-no-cjit
    jsc-layout-tests.yaml/js/script-tests/dfg-inline-arguments-reset.js.layout-no-cjit
    jsc-layout-tests.yaml/js/script-tests/dfg-inline-arguments-reset.js.layout-no-llint
    jsc-layout-tests.yaml/js/script-tests/function-dot-arguments.js.layout
    jsc-layout-tests.yaml/js/script-tests/function-dot-arguments.js.layout-dfg-eager-no-cjit
    jsc-layout-tests.yaml/js/script-tests/function-dot-arguments.js.layout-ftl
    jsc-layout-tests.yaml/js/script-tests/function-dot-arguments.js.layout-ftl-eager-no-cjit
    jsc-layout-tests.yaml/js/script-tests/function-dot-arguments.js.layout-ftl-no-cjit
    jsc-layout-tests.yaml/js/script-tests/function-dot-arguments.js.layout-no-cjit
    jsc-layout-tests.yaml/js/script-tests/function-dot-arguments.js.layout-no-llint
    jsc-layout-tests.yaml/js/script-tests/named-function-expression.js.layout
    jsc-layout-tests.yaml/js/script-tests/named-function-expression.js.layout-dfg-eager-no-cjit
    jsc-layout-tests.yaml/js/script-tests/named-function-expression.js.layout-ftl
    jsc-layout-tests.yaml/js/script-tests/named-function-expression.js.layout-ftl-eager-no-cjit
    jsc-layout-tests.yaml/js/script-tests/named-function-expression.js.layout-ftl-no-cjit
    jsc-layout-tests.yaml/js/script-tests/named-function-expression.js.layout-no-cjit
    jsc-layout-tests.yaml/js/script-tests/named-function-expression.js.layout-no-llint
    regress/script-tests/deltablue-varargs.js.dfg-eager-no-cjit-validate
    regress/script-tests/deltablue-varargs.js.ftl-eager-no-cjit
    regress/script-tests/deltablue-varargs.js.ftl-no-cjit-validate
    regress/script-tests/deltablue-varargs.js.no-cjit-validate-phases

Results for JSC stress tests:
    89 failures found.

I haven't investigated the rest of the failures yet, but at least the constant-count.js case is a regression.

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