Bug 177956 – REGRESSION (r222870 - r222881): 675 test failures on 32-bit JSC bots

• Component: JavaScriptCore
• Status: RESOLVED CONFIGURATION CHANGED

[Ryan Haddad]

REGRESSION (r222870 - r222881): 675 test failures on 32-bit JSC bots

https://build.webkit.org/builders/Apple%20High%20Sierra%2032-bit%20JSC%20%28BuildAndTest%29/builds/80

[Ryan Haddad]

Created attachment 322875 [details]
Crash log

[Ryan Haddad]

Exception Type:        EXC_BAD_ACCESS (SIGSEGV)
Exception Codes:       EXC_I386_GPFLT
Exception Note:        EXC_CORPSE_NOTIFY

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   com.apple.JavaScriptCore            0x006abb10 JSC::CodeBlock::shouldOptimizeNow() + 512 (CodeBlock.cpp:2650)
1   com.apple.JavaScriptCore            0x00f3d952 operationOptimize + 2306 (JITOperations.cpp:1451)
2   ???                                 0x03607fe5 0 + 56655845
3   com.apple.JavaScriptCore            0x001baaef llint_entry + 22693
4   com.apple.JavaScriptCore            0x001baaef llint_entry + 22693
5   com.apple.JavaScriptCore            0x001b5094 vmEntryToJavaScript + 292
6   com.apple.JavaScriptCore            0x00f34381 JSC::JITCode::execute(JSC::VM*, JSC::ProtoCallFrame*) + 417 (JITCode.cpp:81)
7   com.apple.JavaScriptCore            0x00ed1110 JSC::Interpreter::executeProgram(JSC::SourceCode const&, JSC::ExecState*, JSC::JSObject*) + 6400 (Interpreter.cpp:926)
8   com.apple.JavaScriptCore            0x011a08ef JSC::evaluate(JSC::ExecState*, JSC::SourceCode const&, JSC::JSValue, WTF::NakedPtr<JSC::Exception>&) + 623 (Completion.cpp:103)
9   jsc                                 0x000a87ea runWithOptions(GlobalObject*, CommandLine&) + 2458 (jsc.cpp:3698)
10  jsc                                 0x0008abec jscmain(int, char**)::$_6::operator()(JSC::VM&, GlobalObject*) const + 44 (jsc.cpp:4101)
11  jsc                                 0x0008753f int runJSC<jscmain(int, char**)::$_6>(CommandLine, bool, jscmain(int, char**)::$_6 const&) + 1263 (jsc.cpp:4003)
12  jsc                                 0x00085fd3 jscmain(int, char**) + 195 (jsc.cpp:4098)
13  jsc                                 0x00085ef7 main + 55 (jsc.cpp:3530)
14  libdyld.dylib                       0x9bfbb6ad start + 1

[Saam Barati]

Mark is on vacation, I'm going to turn this off for 32-bit for now, and he can fix it when he's back

[Saam Barati]

Disabled on 32-bit here:
https://trac.webkit.org/changeset/222925/webkit

[Radar WebKit Bug Importer]

<rdar://problem/34892844>

[Mark Lam]

This is no longer needed since the useProbeOSRExit feature has been removed from the code base.