[clang] [llvm] [DebugInfo][BPF] Add 'btf:type_tag' annotation in DWARF (PR #91423)

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yonghong-song wrote:

Okay, I see. Thanks for explanation. I checked the top commit and it looks good to me. it is very similar to https://reviews.llvm.org/D143967 except a few additions like new llvm internal flag and a couple of places to generate type tags based on v1 format.

Test "buildkite/github-pull-requests " failed and I don't know what is the reason. I think it is worthwhile to rerun the test to ensure all tests passed.


https://github.com/llvm/llvm-project/pull/91423