[Webkit-unassigned] [Bug 166677] New: Intermittent failures in wasm-to-wasm.js test

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=166677

            Bug ID: 166677
           Summary: Intermittent failures in wasm-to-wasm.js test
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Local Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: sbarati at apple.com
                CC: benjamin at webkit.org, fpizlo at apple.com,
                    ggaren at apple.com, gskachkov at gmail.com,
                    jfbastien at apple.com, keith_miller at apple.com,
                    mark.lam at apple.com, msaboff at apple.com,
                    oliver at apple.com, ticaiolima at gmail.com,
                    utatane.tea at gmail.com

I'm not sure if this is a Wasm bug or a JS bug.
Anyways, it fails maybe 1/10 times for me locally. See shell output:


```
~/WK/c/OpenSource $ ./Tools/Scripts/run-jsc-stress-tests --release JSTests/wasm.yaml 
Using the following jsc path: /Volumes/Data/WK/c/OpenSource/WebKitBuild/Release/jsc
error: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/otool: for -S functionality, use llvm-nm with -print-armap


wasm.yaml/wasm/js-api/wasm-to-wasm.js.default-wasm: Exception: Error: Not the same: "1357" and "1357"
wasm.yaml/wasm/js-api/wasm-to-wasm.js.default-wasm: _fail@/Volumes/Data/WK/c/OpenSource/results/.tests/wasm.yaml/wasm/assert.js:27:20
wasm.yaml/wasm/js-api/wasm-to-wasm.js.default-wasm: eq@/Volumes/Data/WK/c/OpenSource/results/.tests/wasm.yaml/wasm/assert.js:83:14
wasm.yaml/wasm/js-api/wasm-to-wasm.js.default-wasm: WasmToWasm@/Volumes/Data/WK/c/OpenSource/results/.tests/wasm.yaml/wasm/js-api/wasm-to-wasm.js:64:18
wasm.yaml/wasm/js-api/wasm-to-wasm.js.default-wasm: module code@/Volumes/Data/WK/c/OpenSource/results/.tests/wasm.yaml/wasm/js-api/wasm-to-wasm.js:66:3
wasm.yaml/wasm/js-api/wasm-to-wasm.js.default-wasm: evaluate@[native code]
wasm.yaml/wasm/js-api/wasm-to-wasm.js.default-wasm: moduleEvaluation@[native code]
wasm.yaml/wasm/js-api/wasm-to-wasm.js.default-wasm: [native code]
wasm.yaml/wasm/js-api/wasm-to-wasm.js.default-wasm: promiseReactionJob@[native code]
wasm.yaml/wasm/js-api/wasm-to-wasm.js.default-wasm: ERROR: Unexpected exit code: 3
155/155 (failed 1)         
~/WK/c/OpenSource $ ./Tools/Scripts/run-jsc-stress-tests --release JSTests/wasm.yaml 
Using the following jsc path: /Volumes/Data/WK/c/OpenSource/WebKitBuild/Release/jsc
error: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/otool: for -S functionality, use llvm-nm with -print-armap


155/155         
~/WK/c/OpenSource $ ./Tools/Scripts/run-jsc-stress-tests --release JSTests/wasm.yaml 
Using the following jsc path: /Volumes/Data/WK/c/OpenSource/WebKitBuild/Release/jsc
error: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/otool: for -S functionality, use llvm-nm with -print-armap


155/155         
~/WK/c/OpenSource $ ./Tools/Scripts/run-jsc-stress-tests --release JSTests/wasm.yaml 
Using the following jsc path: /Volumes/Data/WK/c/OpenSource/WebKitBuild/Release/jsc
error: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/otool: for -S functionality, use llvm-nm with -print-armap


155/155         
~/WK/c/OpenSource $ ./Tools/Scripts/run-jsc-stress-tests --release JSTests/wasm.yaml 
Using the following jsc path: /Volumes/Data/WK/c/OpenSource/WebKitBuild/Release/jsc
error: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/otool: for -S functionality, use llvm-nm with -print-armap


155/155         
~/WK/c/OpenSource $ JSC_useConcurrentJIT=0 ./Tools/Scripts/run-jsc-stress-tests --release JSTests/wasm.yaml 
Using the following jsc path: /Volumes/Data/WK/c/OpenSource/WebKitBuild/Release/jsc
error: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/otool: for -S functionality, use llvm-nm with -print-armap


155/155         
~/WK/c/OpenSource $ JSC_useConcurrentJIT=0 ./Tools/Scripts/run-jsc-stress-tests --release JSTests/wasm.yaml 
Using the following jsc path: /Volumes/Data/WK/c/OpenSource/WebKitBuild/Release/jsc
error: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/otool: for -S functionality, use llvm-nm with -print-armap


155/155         
~/WK/c/OpenSource $ ./Tools/Scripts/run-jsc-stress-tests --release JSTests/wasm.yaml 
Using the following jsc path: /Volumes/Data/WK/c/OpenSource/WebKitBuild/Release/jsc
error: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/otool: for -S functionality, use llvm-nm with -print-armap


155/155         
~/WK/c/OpenSource $ ./Tools/Scripts/run-jsc-stress-tests --release JSTests/wasm.yaml 
Using the following jsc path: /Volumes/Data/WK/c/OpenSource/WebKitBuild/Release/jsc
error: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/otool: for -S functionality, use llvm-nm with -print-armap


wasm.yaml/wasm/js-api/wasm-to-wasm.js.default-wasm: Exception: Error: Not the same: "594" and "594"
wasm.yaml/wasm/js-api/wasm-to-wasm.js.default-wasm: _fail@/Volumes/Data/WK/c/OpenSource/results/.tests/wasm.yaml/wasm/assert.js:27:20
wasm.yaml/wasm/js-api/wasm-to-wasm.js.default-wasm: eq@/Volumes/Data/WK/c/OpenSource/results/.tests/wasm.yaml/wasm/assert.js:83:14
wasm.yaml/wasm/js-api/wasm-to-wasm.js.default-wasm: WasmToWasm@/Volumes/Data/WK/c/OpenSource/results/.tests/wasm.yaml/wasm/js-api/wasm-to-wasm.js:65:18
wasm.yaml/wasm/js-api/wasm-to-wasm.js.default-wasm: module code@/Volumes/Data/WK/c/OpenSource/results/.tests/wasm.yaml/wasm/js-api/wasm-to-wasm.js:67:3
wasm.yaml/wasm/js-api/wasm-to-wasm.js.default-wasm: evaluate@[native code]
wasm.yaml/wasm/js-api/wasm-to-wasm.js.default-wasm: moduleEvaluation@[native code]
wasm.yaml/wasm/js-api/wasm-to-wasm.js.default-wasm: [native code]
wasm.yaml/wasm/js-api/wasm-to-wasm.js.default-wasm: promiseReactionJob@[native code]
wasm.yaml/wasm/js-api/wasm-to-wasm.js.default-wasm: ERROR: Unexpected exit code: 3
155/155 (failed 1)         
~/WK/c/OpenSource $ ./Tools/Scripts/run-jsc-stress-tests --release JSTests/wasm.yaml 
Using the following jsc path: /Volumes/Data/WK/c/OpenSource/WebKitBuild/Release/jsc
error: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/otool: for -S functionality, use llvm-nm with -print-armap


155/155         
~/WK/c/OpenSource $ ./Tools/Scripts/run-jsc-stress-tests --release JSTests/wasm.yaml 
Using the following jsc path: /Volumes/Data/WK/c/OpenSource/WebKitBuild/Release/jsc
error: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/otool: for -S functionality, use llvm-nm with -print-armap


155/155         
~/WK/c/OpenSource $ ./Tools/Scripts/run-jsc-stress-tests --release JSTests/wasm.yaml 
Using the following jsc path: /Volumes/Data/WK/c/OpenSource/WebKitBuild/Release/jsc
error: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/otool: for -S functionality, use llvm-nm with -print-armap


155/155         
~/WK/c/OpenSource $ ./Tools/Scripts/run-jsc-stress-tests --release JSTests/wasm.yaml 
Using the following jsc path: /Volumes/Data/WK/c/OpenSource/WebKitBuild/Release/jsc
error: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/otool: for -S functionality, use llvm-nm with -print-armap


155/155         
~/WK/c/OpenSource $ ./Tools/Scripts/run-jsc-stress-tests --release JSTests/wasm.yaml 
Using the following jsc path: /Volumes/Data/WK/c/OpenSource/WebKitBuild/Release/jsc
error: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/otool: for -S functionality, use llvm-nm with -print-armap


155/155         
~/WK/c/OpenSource $ ./Tools/Scripts/run-jsc-stress-tests --release JSTests/wasm.yaml 
Using the following jsc path: /Volumes/Data/WK/c/OpenSource/WebKitBuild/Release/jsc
error: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/otool: for -S functionality, use llvm-nm with -print-armap


155/155         
~/WK/c/OpenSource $ ./Tools/Scripts/run-jsc-stress-tests --release JSTests/wasm.yaml 
Using the following jsc path: /Volumes/Data/WK/c/OpenSource/WebKitBuild/Release/jsc
error: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/otool: for -S functionality, use llvm-nm with -print-armap


155/155         
~/WK/c/OpenSource $ ./Tools/Scripts/run-jsc-stress-tests --release JSTests/wasm.yaml 
Using the following jsc path: /Volumes/Data/WK/c/OpenSource/WebKitBuild/Release/jsc
error: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/otool: for -S functionality, use llvm-nm with -print-armap


155/155         
~/WK/c/OpenSource $ ./Tools/Scripts/run-jsc-stress-tests --release JSTests/wasm.yaml 
Using the following jsc path: /Volumes/Data/WK/c/OpenSource/WebKitBuild/Release/jsc
error: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/otool: for -S functionality, use llvm-nm with -print-armap


155/155         
~/WK/c/OpenSource $ ./Tools/Scripts/run-jsc-stress-tests --release JSTests/wasm.yaml 
Using the following jsc path: /Volumes/Data/WK/c/OpenSource/WebKitBuild/Release/jsc
error: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/otool: for -S functionality, use llvm-nm with -print-armap


155/155         
~/WK/c/OpenSource $ ./Tools/Scripts/run-jsc-stress-tests --release JSTests/wasm.yaml 
Using the following jsc path: /Volumes/Data/WK/c/OpenSource/WebKitBuild/Release/jsc
error: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/otool: for -S functionality, use llvm-nm with -print-armap


wasm.yaml/wasm/js-api/wasm-to-wasm.js.default-wasm: Exception: Error: Not the same: "594" and "594"
wasm.yaml/wasm/js-api/wasm-to-wasm.js.default-wasm: _fail@/Volumes/Data/WK/c/OpenSource/results/.tests/wasm.yaml/wasm/assert.js:27:20
wasm.yaml/wasm/js-api/wasm-to-wasm.js.default-wasm: eq@/Volumes/Data/WK/c/OpenSource/results/.tests/wasm.yaml/wasm/assert.js:83:14
wasm.yaml/wasm/js-api/wasm-to-wasm.js.default-wasm: WasmToWasm@/Volumes/Data/WK/c/OpenSource/results/.tests/wasm.yaml/wasm/js-api/wasm-to-wasm.js:65:18
wasm.yaml/wasm/js-api/wasm-to-wasm.js.default-wasm: module code@/Volumes/Data/WK/c/OpenSource/results/.tests/wasm.yaml/wasm/js-api/wasm-to-wasm.js:67:3
wasm.yaml/wasm/js-api/wasm-to-wasm.js.default-wasm: evaluate@[native code]
wasm.yaml/wasm/js-api/wasm-to-wasm.js.default-wasm: moduleEvaluation@[native code]
wasm.yaml/wasm/js-api/wasm-to-wasm.js.default-wasm: [native code]
wasm.yaml/wasm/js-api/wasm-to-wasm.js.default-wasm: promiseReactionJob@[native code]
wasm.yaml/wasm/js-api/wasm-to-wasm.js.default-wasm: ERROR: Unexpected exit code: 3
155/155 (failed 1)      
```

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