[llvm-branch-commits] [llvm] [FileCheck] Annotate search ranges with { } in -dump-input (PR #198138)

[Fangrui Song via llvm-branch-commits]

https://github.com/MaskRay approved this pull request.

LGTM. The patch's new code is fully exercised in a coverage build.

https://github.com/llvm/llvm-project/pull/198138