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JIT: Track GC info accurately into epilogs in codegen #107283

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  • Handle tailcall arguments which are consumed by the call node but remain live into the epilog
  • Handle return nodes which move the operand to the return registers which then should remain live into the epilog

Fix #107137

- Handle tailcall arguments which are consumed by the call node but
  remain live into the epilog
- Handle return nodes which move the operand to the return registers
  which then should remain live into the epilog

Fix dotnet#107137
@dotnet-issue-labeler dotnet-issue-labeler bot added the area-CodeGen-coreclr CLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI label Sep 3, 2024
@jakobbotsch jakobbotsch reopened this Oct 7, 2024
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JIT: Codegen/emitter disagreement about GC info with epilogs
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