[clang] [compiler-rt] [clang-tools-extra] [PGO] Exposing PGO's Counter Reset and File Dumping APIs (PR #76471)

[Mingming Liu via cfe-commits]

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+// Test the linker feature that treats undefined weak symbols as null values.
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+// RUN: %clang_pgogen -o %t %s
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minglotus-6 wrote:

Please discard this comment. 

@snehasish pointed out build-bots doesn't really have coverage of AIX linker, and the executable returns 1 if weak symbol is not null.

https://github.com/llvm/llvm-project/pull/76471