[release/8.0] JIT: Skip Create(ToScalar(Dot(...))) transformation on mismatched types #91089
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Tagging subscribers to this area: @JulieLeeMSFT, @jakobbotsch Issue DetailsBackport of #91063 to release/8.0 /cc @jakobbotsch Customer ImpactTestingRiskIMPORTANT: If this backport is for a servicing release, please verify that:
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tannergooding
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Aug 25, 2023
jeffschwMSFT
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Aug 25, 2023
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Backport of #91063 to release/8.0
/cc @jakobbotsch
Customer Impact
The JIT may produce invalid internal IR that can lead to JIT crashes for a specific C# pattern
Vector2.Lerp(<arg>, <arg>, Vector128.Dot(...)).Testing
Regression test included.
Risk
Low. Skip a transformation in the specific case.