It appears that stress/const-tdz.js.no-llint has been failing on ARM32 since it was introduced. Below is the output as found from the log from a test run. [2015-07-23 04:38:53] INFO: Running stress/const-tdz.js.no-llint [2015-07-23 04:39:00] INFO: stress/const-tdz.js.no-llint: Ran out of executable memory while allocating 616 bytes. [2015-07-23 04:39:00] INFO: stress/const-tdz.js.no-llint: 1 0x497f1f JSC::LinkBuffer::allocate(unsigned long, void*, JSC::JITCompilationEffort) [2015-07-23 04:39:00] INFO: stress/const-tdz.js.no-llint: 2 0x497fad void JSC::LinkBuffer::copyCompactAndLinkCode<unsigned short>(JSC::MacroAssembler&, void*, JSC::JITCompilationEffort) [2015-07-23 04:39:00] INFO: stress/const-tdz.js.no-llint: 3 0x3c8305 JSC::JIT::privateCompile(JSC::JITCompilationEffort) [2015-07-23 04:39:00] INFO: stress/const-tdz.js.no-llint: 4 0x369351 JSC::ScriptExecutable::prepareForExecutionImpl(JSC::ExecState*, JSC::JSFunction*, JSC::JSScope*, JSC::CodeSpecializationKind) [2015-07-23 04:39:00] INFO: stress/const-tdz.js.no-llint: 5 0x3c03c5 JSC::Interpreter::execute(JSC::EvalExecutable*, JSC::ExecState*, JSC::JSValue, JSC::JSScope*) [2015-07-23 04:39:00] INFO: stress/const-tdz.js.no-llint: 6 0x3c024f JSC::eval(JSC::ExecState*) [2015-07-23 04:39:00] INFO: stress/const-tdz.js.no-llint: 7 0x3e69bb operationCallEval [2015-07-23 04:39:00] INFO: stress/const-tdz.js.no-llint: 8 0x6eb78e9f [2015-07-23 04:39:00] INFO: stress/const-tdz.js.no-llint: 9 0x4acdc1 vmEntryToJavaScript [2015-07-23 04:39:00] INFO: stress/const-tdz.js.no-llint: 10 0x3d5387 JSC::JITCode::execute(JSC::VM*, JSC::ProtoCallFrame*) [2015-07-23 04:39:00] INFO: stress/const-tdz.js.no-llint: 11 0x3c0601 JSC::Interpreter::execute(JSC::EvalExecutable*, JSC::ExecState*, JSC::JSValue, JSC::JSScope*) [2015-07-23 04:39:00] INFO: stress/const-tdz.js.no-llint: 12 0x3c024f JSC::eval(JSC::ExecState*) [2015-07-23 04:39:00] INFO: stress/const-tdz.js.no-llint: 13 0x3e69bb operationCallEval [2015-07-23 04:39:00] INFO: stress/const-tdz.js.no-llint: 14 0x6e736b6d [2015-07-23 04:39:00] INFO: stress/const-tdz.js.no-llint: 15 0x6db8c5e5 [2015-07-23 04:39:00] INFO: stress/const-tdz.js.no-llint: 16 0x6e735ee7 [2015-07-23 04:39:00] INFO: stress/const-tdz.js.no-llint: 17 0x6db83c27 [2015-07-23 04:39:00] INFO: stress/const-tdz.js.no-llint: 18 0x4acdc1 vmEntryToJavaScript [2015-07-23 04:39:00] INFO: stress/const-tdz.js.no-llint: 19 0x3d5387 JSC::JITCode::execute(JSC::VM*, JSC::ProtoCallFrame*) [2015-07-23 04:39:00] INFO: stress/const-tdz.js.no-llint: 20 0x3c2f8b JSC::Interpreter::execute(JSC::ProgramExecutable*, JSC::ExecState*, JSC::JSObject*) [2015-07-23 04:39:00] INFO: stress/const-tdz.js.no-llint: 21 0x2710bf JSC::evaluate(JSC::ExecState*, JSC::SourceCode const&, JSC::JSValue, WTF::NakedPtr<JSC::Exception>&) [2015-07-23 04:39:00] INFO: stress/const-tdz.js.no-llint: 22 0xf15f9 jscmain(int, char**) [2015-07-23 04:39:00] INFO: stress/const-tdz.js.no-llint: 23 0xf1113 main [2015-07-23 04:39:00] INFO: stress/const-tdz.js.no-llint: 24 0x3657f873 <redacted> [2015-07-23 04:39:00] INFO: stress/const-tdz.js.no-llint: ./test_script_9390: line 2: 33993 Segmentation fault: 11 "$@" /System/Library/Frameworks/JavaScriptCore.framework/Resources/jsc --useFTLJIT\=false --enableFunctionDotArguments\=true --useLLInt\=false const-tdz.js [2015-07-23 04:39:00] INFO: stress/const-tdz.js.no-llint: ERROR: Unexpected exit code: 139 [2015-07-23 04:39:00] ERROR: FAIL: stress/const-tdz.js.no-llint
<rdar://problem/21967197>