[8.0][browser][wasm] emcc failure to compile aot-instances

[carlossanlop]

Build Information

Build: https://dev.azure.com/dnceng-public/public/_build/results?buildId=734813
Build error leg or test failing: browser-wasm linux Release WasmBuildTests

Error Message

{
  "ErrorMessage" : "linker setting ignored during compilation: 'EXPORT_ES6'",
  "BuildRetry" : false,
  "ExcludeConsoleLog" : false
}

• PR: [release/8.0] Update dependencies from dotnet/emsdk #104630
• Queue: browser-wasm linux Release WasmBuildTests
• Job result: https://dev.azure.com/dnceng-public/public/_build/results?buildId=734813&view=logs&j=1fa93050-f528-55d3-a351-f8bf9ce5adbf&t=a9f1a437-3b59-5900-1137-ec6cae9a530c
• Log files:
  • https://helixre107v0xd1eu3ibi6ka.blob.core.windows.net/dotnet-runtime-refs-pull-104630-merge-834dc1579a1b4085ad/Workloads-NoWebcil-Wasm.Build.NativeRebuild.Tests.OptimizationFlagChangeTests/1/console.eacd6a90.log?helixlogtype=result
  • https://helixre107v0xd1eu3ibi6ka.blob.core.windows.net/dotnet-runtime-refs-pull-104630-merge-834dc1579a1b4085ad/Workloads-NoWebcil-Wasm.Build.NativeRebuild.Tests.OptimizationFlagChangeTests/1/console.eacd6a90.log?helixlogtype=result
• Output:

      []   [3/4] System.Private.CoreLib.dll.bc -> System.Private.CoreLib.dll.o [took 14.362s]
      [] /root/helix/work/workitem/e/dotnet-latest/packs/Microsoft.NET.Runtime.WebAssembly.Sdk/8.0.8/Sdk/WasmApp.Native.targets(388,5): error : Failed to compile /root/helix/work/workitem/e/wbt artifacts/pkkjv2zh_eqz/obj/Release/net8.0/browser-wasm/wasm/for-publish/aot-instances.dll.bc -> /root/helix/work/workitem/e/wbt artifacts/pkkjv2zh_eqz/obj/Release/net8.0/browser-wasm/wasm/for-publish/aot-instances.dll.o [/root/helix/work/workitem/e/wbt artifacts/pkkjv2zh_eqz/rebuild_flags_Release.csproj]
      [] /root/helix/work/workitem/e/dotnet-latest/packs/Microsoft.NET.Runtime.WebAssembly.Sdk/8.0.8/Sdk/WasmApp.Native.targets(388,5): error : emcc: warning: linker setting ignored during compilation: 'EXPORT_ES6' [-Wunused-command-line-argument] [/root/helix/work/workitem/e/wbt artifacts/pkkjv2zh_eqz/rebuild_flags_Release.csproj]
      [] /root/helix/work/workitem/e/dotnet-latest/packs/Microsoft.NET.Runtime.WebAssembly.Sdk/8.0.8/Sdk/WasmApp.Native.targets(388,5): error : Killed [/root/helix/work/workitem/e/wbt artifacts/pkkjv2zh_eqz/rebuild_flags_Release.csproj]
      [] /root/helix/work/workitem/e/dotnet-latest/packs/Microsoft.NET.Runtime.WebAssembly.Sdk/8.0.8/Sdk/WasmApp.Native.targets(388,5): error : emcc: error: '/root/helix/work/workitem/e/dotnet-latest/packs/Microsoft.NET.Runtime.Emscripten.3.1.34.Sdk.linux-x64/8.0.8/tools/bin/clang++ -target wasm32-unknown-emscripten -fvisibility=default -mllvm -combiner-global-alias-analysis=false -mllvm -wasm-enable-sjlj -mllvm -disable-lsr -DEMSCRIPTEN --sysroot=/root/helix/work/workitem/e/dotnet-latest/packs/Microsoft.NET.Runtime.Emscripten.3.1.34.Cache.linux-x64/8.0.8/tools/emscripten/cache/sysroot -Xclang -iwithsysroot/include/fakesdl -Xclang -iwithsysroot/include/compat -msimd128 -O0 -fwasm-exceptions -c "/root/helix/work/workitem/e/wbt artifacts/pkkjv2zh_eqz/obj/Release/net8.0/browser-wasm/wasm/for-publish/aot-instances.dll.bc" -o /tmp/tmpAcImUx.tmp' failed (returned 137) [took 200.076s] [/root/helix/work/workitem/e/wbt artifacts/pkkjv2zh_eqz/rebuild_flags_Release.csproj]

Known issue validation

Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=734813
Error message validated: [linker setting ignored during compilation: 'EXPORT_ES6']
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 7/12/2024 8:25:22 PM UTC

Report

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
0	0	0

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[maraf]

@radekdoulik Do you know what changes in emsdk for 8.0 that EXPORT_ES6 now produces a warning?

[pavelsavara]

I think EXPORT_ES6 is linker flag, not compiler flag.