## JavaScriptCore Version 6b4ebcdffbfcb90c6be097374c74904a92a6e71b ## Build Ubuntu 20.04.2 LTS (Linux 5.15.0-67-generic x86_64) ./Tools/Scripts/build-jsc --jsc-only --debug --build-dir=asan --cmakeargs="-DCMAKE_C_COMPILER='/usr/bin/clang' -DCMAKE_CXX_COMPILER='/usr/bin/clang++' -DCMAKE_CXX_FLAGS='-g -O3 -fsanitize=address'" ## Testcase and Execution steps ``` var wasm_code = new Uint8Array([0,97,115,109,1,0,0,0,1,4,1,96,0,0,2,1,0,3,2,1,0,4,8,1,111,1,226,1,219,199,3,5,1,0,6,1,0,7,10,1,6,95,115,116,97,114,116,0,0,8,1,0,9,1,0,12,1,0,10,14,1,12,0,12,0,45,1,15,186,253,44,160,1,11,11,1,0]); var wasm_module = new WebAssembly.Module(wasm_code); var wasm_instance = new WebAssembly.Instance(wasm_module); var f = wasm_instance.exports.main; f(); ``` ./bin/jsc --useWebAssemblyGC=true --useWebAssemblyTypedFunctionReferences=true --useWebAssemblyTailCalls=true --useWebAssemblyRelaxedSIMD=true testcase.js ## Output ASSERTION FAILED: shouldJIT(callee) /home/WebKit/Source/JavaScriptCore/wasm/WasmSlowPaths.cpp(356) : JSC::UGPRPair JSC::LLInt::slow_path_wasm_simd_go_straight_to_bbq_osr(JSC::CallFrame *, const JSC::WasmInstruction *, Wasm::Instance *) ## Backtrace #0 __pthread_kill_implementation (no_tid=0, signo=6, threadid=140737177692096) at ./nptl/pthread_kill.c:44 #1 __pthread_kill_internal (signo=6, threadid=140737177692096) at ./nptl/pthread_kill.c:78 #2 __GI___pthread_kill (threadid=140737177692096, signo=signo@entry=6) at ./nptl/pthread_kill.c:89 #3 0x00007fffed801476 in __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26 #4 0x00007fffed7e77f3 in __GI_abort () at ./stdlib/abort.c:79 #5 0x00007ffff26a59ff in WTFCrashWithInfo () at WTF/Headers/wtf/Assertions.h:778 #6 0x00007ffff6a7ee22 in slow_path_wasm_simd_go_straight_to_bbq_osr (callFrame=<optimized out>, pc=<optimized out>, instance=<optimized out>) at /home/WebKit/Source/JavaScriptCore/wasm/WasmSlowPaths.cpp:356 #7 0x00007ffff2663a78 in wasm_function_prologue_simd () from /home/WebKit/WebKitBuild/Debug/lib/libJavaScriptCore.so.1 #8 0x00007fffab42002c in ?? () #9 0x0000610000001440 in ?? () #10 0x0000611000038fc3 in ?? () #11 0x00007fffffffb680 in ?? () #12 0x00007ffff21eb720 in __PRETTY_FUNCTION__._ZNK3WTF3RefIN3JSC7JITCodeENS_12RawPtrTraitsIS2_EEEptEv () from /home/WebKit/WebKitBuild/Debug/lib/libJavaScriptCore.so.1 #13 0x00007ffff21dc5a0 in str () from /home/WebKit/WebKitBuild/Debug/lib/libJavaScriptCore.so.1 #14 0x000060e000004418 in ?? () #15 0x00007fffffffb8b0 in ?? () #16 0x0000631000014800 in ?? () #17 0x00007fffffffb670 in ?? () #18 0x00007ffff263be04 in vmEntryToJavaScript () from /home/WebKit/WebKitBuild/Debug/lib/libJavaScriptCore.so.1