[llvm-branch-commits] [llvm] release/19.x: [RegisterCoalescer] Fix SUBREG_TO_REG handling in the RegisterCoalescer. (#96839) (PR #101071)

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llvmbot wrote:

@qcolombet What do you think about merging this PR to the release branch?

https://github.com/llvm/llvm-project/pull/101071