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JIT: Disallow implicit byref args and return buffers from aliasing #104616

Merged
merged 1 commit into from
Jul 10, 2024
Merged

JIT: Disallow implicit byref args and return buffers from aliasing #104616

merged 1 commit into from
Jul 10, 2024

Commits on Jul 9, 2024

  1. JIT: Disallow implicit byref args and return buffers from aliasing 

    The recent work to allow more retbuf definitions uncovered cases where
we would end up with the retbuffer aliasing an implicit byref argument.
The JIT does not handle this aliasing, which would require proper
`GTF_GLOB_REF` flags on the local nodes accesses implicit byrefs. Fix
the problem by disallowing last-use copy elision when the local would
alias the return buffer.

Fix dotnet#104613
    @jakobbotsch
    jakobbotsch committed Jul 9, 2024
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