dotnet / dotnet/runtime

ARM64: jit assertion finalOne <= count

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#132,910 1 comment 0 reactions 1 assignee Claimed by @dhartglassMSFT View on GitHub
arch-arm64 area-CodeGen-coreclr
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Description

This should be enough to repro with TieredCompilation=0

```
private static Vector Repro() => Sve.CreateTrueMaskSingle(SveMaskPattern.VectorCount5);
```

(The fuzzers hit this pattern pretty frequently, fixing this should cut down on the noise)

in EvaluateSimdPatternToMask in simd.h

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