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SIGSEGV (signal 11) in RuntimeHelpers.CompileMethod called from LambdaCompiler.CreateDelegate()

area-CodeGen-coreclrCLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMICLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI

untriagedNew issue has not been triaged by the area ownerNew issue has not been triaged by the area owner

Status: Open.

#128255 In dotnet/runtime;

· flibustier7seas opened on May 15, 2026

[ci-scan] Test failure: System.Net.NameResolution.Tests.GetHostEntryTest.DnsGetHostEntry_LocalhostSubdomain_RespectsAddressFamil [Content truncated due to length]

agentic-workflows

blocking-clean-ciBlocking PR or rolling runs of 'runtime' or 'runtime-extra-platforms'Blocking PR or rolling runs of 'runtime' or 'runtime-extra-platforms'

Known Build ErrorUse this to report build issues in the .NET Helix tabUse this to report build issues in the .NET Helix tab

untriagedNew issue has not been triaged by the area ownerNew issue has not been triaged by the area owner

Status: Open.

#128253 In dotnet/runtime;

· github-actions opened on May 15, 2026

[ci-scan] Helix result upload failure: ModuleNotFoundError '_cffi_backend' on macOS/iOS agents

agentic-workflows

blocking-clean-ciBlocking PR or rolling runs of 'runtime' or 'runtime-extra-platforms'Blocking PR or rolling runs of 'runtime' or 'runtime-extra-platforms'

Known Build ErrorUse this to report build issues in the .NET Helix tabUse this to report build issues in the .NET Helix tab

untriagedNew issue has not been triaged by the area ownerNew issue has not been triaged by the area owner

Status: Open.

#128254 In dotnet/runtime;

· github-actions opened on May 15, 2026

[API Proposal]: Add an IServiceLifetimeProvider that takes in a type and returns the lifetime that it was registered with

api-suggestionEarly API idea and discussion, it is NOT ready for implementationEarly API idea and discussion, it is NOT ready for implementation

area-Extensions-DependencyInjection

untriagedNew issue has not been triaged by the area ownerNew issue has not been triaged by the area owner

Status: Open.

#128251 In dotnet/runtime;

· bwood4 opened on May 15, 2026

[dotnet-sdk-11.0.100-preview.5.26261.101] After click “Parameters" in Autodesk Inventor 2025, pop up error window.

needs-area-labelAn area label is needed to ensure this gets routed to the appropriate area ownersAn area label is needed to ensure this gets routed to the appropriate area owners

untriagedNew issue has not been triaged by the area ownerNew issue has not been triaged by the area owner

Status: Open.

#128249 In dotnet/runtime;

· Junjun-zhao opened on May 15, 2026

Wasm / R2R: codegen bringup test failures

arch-wasmWebAssembly architectureWebAssembly architecture

area-CodeGen-coreclrCLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMICLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI

untriagedNew issue has not been triaged by the area ownerNew issue has not been triaged by the area owner

Status: Open.

#128234 In dotnet/runtime;

· AndyAyersMS opened on May 14, 2026

Wasm / R2R: Type System.DateTime: expected alignment 0x00000004, actual 0x00000008

arch-wasmWebAssembly architectureWebAssembly architecture

area-VM-coreclr

untriagedNew issue has not been triaged by the area ownerNew issue has not been triaged by the area owner

Status: Open.

#128231 In dotnet/runtime;

· AndyAyersMS opened on May 14, 2026

Remove CORINFO_HELP_ASSIGN_BYREF ?

area-CodeGen-coreclrCLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMICLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI

Status: Open.

#128227 In dotnet/runtime;

· EgorBo opened on May 14, 2026

·  

Future

[wasm][CoreCLR] InvariantGlobalizationTests native relink fails: undefined GlobalizationNative_* symbols

arch-wasmWebAssembly architectureWebAssembly architecture

area-System.Globalization

os-browserBrowser variant of arch-wasmBrowser variant of arch-wasm

Status: Open.

#128219 In dotnet/runtime;

· maraf opened on May 14, 2026

·  

11.0.0

Source-generated COM interop should honor MarshalAsAttribute.IidParameterIndex for out object parameters

area-System.Runtime.InteropServices

enhancementProduct code improvement that does NOT require public API changes/additionsProduct code improvement that does NOT require public API changes/additions

Status: Open.

#128212 In dotnet/runtime;

· AaronRobinsonMSFT opened on May 14, 2026

·  

11.0.0

[API Proposal]: Add FieldInfo.CreateDelegate

api-suggestionEarly API idea and discussion, it is NOT ready for implementationEarly API idea and discussion, it is NOT ready for implementation

area-System.Reflection

untriagedNew issue has not been triaged by the area ownerNew issue has not been triaged by the area owner

Status: Open.

#128206 In dotnet/runtime;

· Neme12 opened on May 14, 2026

"CI Outer-Loop Failure Scanner" should not run in forks

area-Meta

untriagedNew issue has not been triaged by the area ownerNew issue has not been triaged by the area owner

Status: Open.

#128203 In dotnet/runtime;

· vcsjones opened on May 14, 2026