[clang] [llvm] [AMDGPU] Add a type for the named barrier (PR #113614)

[Jan Svoboda via cfe-commits]

jansvoboda11 wrote:

This PR did bump `NUM_PREDEF_TYPE_IDS`, but after the pre-merge tests succeeded, #97277 that also bumps `NUM_PREDEF_TYPE_IDS ` landed in `main`.

https://github.com/llvm/llvm-project/pull/113614