Test Failure: System.Net.NameResolution.Functional.Tests

[kg]

Summary:

JIT assertion during Profile incorporation at Tier1-OSR: edge/successor count mismatch in async state machine method.

Failed in (1):

• runtime-coreclr libraries-pgo 20260408.1

Console Log: Console Log

Source: runtime-coreclr libraries-pgo / net11.0-windows-Release-x64-jitosr_stress_random-Windows.10.Amd64.Open / System.Net.NameResolution.Functional.Tests

Failed tests:

- net11.0-windows-Release-x64-jitosr_stress_random-Windows.10.Amd64.Open

  - System.Net.NameResolution.Functional.Tests

Error Message:

Assert failure(PID 11144 [0x00002b88], Thread: 12132 [0x2f64]): Assertion failed 'nEdges == nSucc' in 'System.Net.Dns:<GetAddrInfoWithTelemetryAsync>g__CompleteAsync|40_0[System.__Canon](System.Threading.Tasks.Task,System.String,bool,int,bool,long,System.Threading.CancellationToken):System.__Canon' during 'Profile incorporation' (IL size 465; hash 0x89a77caa; Tier1-OSR)

Stack Trace:

N/A

Analysis:

JIT assertion during "Profile incorporation" at Tier1-OSR compilation. Mismatch between nEdges and nSucc when incorporating profile data into Dns.GetAddrInfoWithTelemetryAsync. Separate from other PGO assertions. No existing GitHub issue found. Should be filed under area-CodeGen-coreclr, assigned to @AndyAyersMS.

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