[llvm-branch-commits] [clang] [llvm] [DirectX] Add Range Overlap validation to `DXILPostOptimizationValidation.cpp` (PR #148919)

[Finn Plummer via llvm-branch-commits]

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inbelic wrote:

Can we add a test for when there are multiple overlaps. Just to make sure multiple diagnostics are being generated.

https://github.com/llvm/llvm-project/pull/148919