143160 2015-03-27 15:44:47 -0700 jsc stress tests failing with debugger enabled 2017-01-18 23:39:04 -0800 1 1 1 Unclassified WebKit JavaScriptCore 528+ (Nightly build) Unspecified Unspecified ASSIGNED InRadar P2 Normal --- 143105 1 mark.lam mark.lam benjamin fpizlo ggaren joepeck mmirman msaboff webkit-bug-importer oldest_to_newest 1080784 0 mark.lam 2015-03-27 15:44:47 -0700 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. 1080786 1 webkit-bug-importer 2015-03-27 15:51:44 -0700 <rdar://problem/20333500> 1080805 2 mark.lam 2015-03-27 16:42:30 -0700 The source of the constant-count.js regression is http://trac.webkit.org/changeset/174226.