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[browser][coreCLR] enable -O3 after emscripten bump - #130111

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pavelsavara merged 1 commit into
dotnet:mainfrom
pavelsavara:browser-enable-o3
Jul 2, 2026
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[browser][coreCLR] enable -O3 after emscripten bump#130111
pavelsavara merged 1 commit into
dotnet:mainfrom
pavelsavara:browser-enable-o3

[browser][coreCLR] enable -O3 and drop explicit wasm export workaroun…

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.NET Result Analysis

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[runtime]

[dotnet-linker-tests]

[runtime-dev-innerloop]

[runtime-report-green]

Build Rerun

✔️ Build passed after 1 retries.

(Attempt #1) [link to build]

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Non-Deterministic Test Failures Detected

System.Threading.Tests.MutexTests.CrossProcess_NamedMutex_ConcurrentCreateOrOpen [Console] [Details] [Artifacts] [2.17% failure rate]
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Failing Configuration

Data Driven SubResults
    System.Threading.Tests.MutexTests.CrossProcess_NamedMutex_ConcurrentCreateOrOpen(currentUserOnly: False, currentSessionOnly: False)
    Exception Message
    Assert.Equal() Failure: Values differ
    Expected: 1
    Actual:   2
    Stack Trace
       at System.Threading.Tests.MutexTests.CrossProcess_NamedMutex_ConcurrentCreateOrOpen(Boolean currentUserOnly, Boolean currentSessionOnly) in /_/src/libraries/System.Threading/tests/MutexTests.cs:line 911
       at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
       at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
       at System.RuntimeMethodHandle.InvokeMethod(Object target, Void** arguments, Signature sig, Boolean isConstructor) in /_/src/coreclr/System.Private.CoreLib/src/System/RuntimeHandles.cs:line 1188
       at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args) in /_/src/coreclr/System.Private.CoreLib/src/System/Reflection/MethodBaseInvoker.CoreCLR.cs:line 37
       at System.Reflection.MethodBaseInvoker.InvokeDirectByRefWithFewArgs(Object obj, Span`1 copyOfArgs, BindingFlags invokeAttr) in /_/src/libraries/System.Private.CoreLib/src/System/Reflection/MethodBaseInvoker.cs:line 174
WBT-Workloads-MONO-ST-Wasm.Build.Tests.PInvokeTableGeneratorTests.WorkItemExecution [Console] [Details] [Artifacts] [0.24% failure rate]
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This is a helix work item crash with status: DeadLetter. To investigate look the [Console log] / navigate to [Helix Artifacts]

Failing Configuration

WBT-Workloads-MONO-ST-Wasm.Build.Tests.WasmSIMDTests.WorkItemExecution [Console] [Details] [Artifacts] [0.24% failure rate]
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This is a helix work item crash with status: DeadLetter. To investigate look the [Console log] / navigate to [Helix Artifacts]

Failing Configuration

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