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[wasm][CoreCLR] Failed to construct WebAssembly module for Webcil image #133255
Description
Build Information
Build: https://dev.azure.com/dnceng-public/public/_build/results?buildId=1583242
Build error leg or test failing: Pri0 Runtime Tests Run R2R_CG2 browser wasm checked
Running: node --experimental-wasm-exnref --stack-size=8192 /root/helix/work/correlation/corerun.js -c /root/helix/work/correlation -p System.Reflection.Metadata.MetadataUpdater.IsSupported=false -p System.Runtime.Serialization.EnableUnsafeBinaryFormatterSerialization=true /root/helix/work/workitem/e/JIT/Methodical/Methodical_do/Methodical_do.dll
Failed to construct WebAssembly module for Webcil image: {
wasmPath: '/root/helix/work/workitem/e/JIT/Methodical/Methodical_do/Methodical_do.wasm',
errorMessage: 'WebAssembly.Module(): Compiling function #143:"Methodical_do_Test_unsafe_3_TestApp__test_150" failed: i32.le_u[0] expected type i32, found local.get of type i64 @+63398'
}
file:///root/helix/work/correlation/corerun.js:5233
throw new Error(`Failed to construct WebAssembly module for Webcil image '${wasmPath}': ${errorMessage}`);
^
Error: Failed to construct WebAssembly module for Webcil image '/root/helix/work/workitem/e/JIT/Methodical/Methodical_do/Methodical_do.wasm': WebAssembly.Module(): Compiling function #143:"Methodical_do_Test_unsafe_3_TestApp__test_150" failed: i32.le_u[0] expected type i32, found local.get of type i64 @+63398
at _BrowserHost_ExternalAssemblyProbe (file:///root/helix/work/correlation/corerun.js:5233:11)
at wasm://wasm/01bf0f56:wasm-function[1764]:0x735cd
at wasm://wasm/01bf0f56:wasm-function[7666]:0x30d173
at wasm://wasm/01bf0f56:wasm-function[6706]:0x2a4830
at wasm://wasm/01bf0f56:wasm-function[6779]:0x2b723e
at wasm://wasm/01bf0f56:wasm-function[6220]:0x26ae08
at wasm://wasm/01bf0f56:wasm-function[10896]:0x48ee9f
at wasm://wasm/01bf0f56:wasm-function[1757]:0x708c7
at file:///root/helix/work/correlation/corerun.js:498:12
at callMain (file:///root/helix/work/correlation/corerun.js:7626:15)
Node.js v23.11.1
{
"ErrorMessage": "Failed to construct WebAssembly module for Webcil image",
"BuildRetry": false,
"ExcludeConsoleLog": false
}Known issue validation
Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1583242
Error message validated: [Failed to construct WebAssembly module for Webcil image]
Result validation: ❌ Known issue did not match with the provided build.
Validation performed at: 9/4/2026 7:04:12 PM UTC
Activity
dotnet-policy-service commentedon Sep 4, 2026
Tagging subscribers to 'arch-wasm': @lewing, @pavelsavara
See info in area-owners.md if you want to be subscribed.
dotnet-policy-service commentedon Sep 4, 2026
Tagging subscribers to this area: @dotnet/crossgen-contrib
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lewing commentedon Sep 4, 2026
I think this was fixed in #133210
MihuBot commentedon Sep 4, 2026
I'm a bot. Here is a possible related and/or duplicate issue (I may be wrong):