[all-commits] [llvm/llvm-project] 16bd92: [libc++][hardening] Add a greppable prefix to asse...

[Konstantin Varlamov via All-commits]

  Branch: refs/heads/release/21.x
  Home:   https://github.com/llvm/llvm-project
  Commit: 16bd92cdca5e0f29e109898e53bd71c31ce7593b
      https://github.com/llvm/llvm-project/commit/16bd92cdca5e0f29e109898e53bd71c31ce7593b
  Author: Konstantin Varlamov <varconsteq at gmail.com>
  Date:   2025-08-05 (Tue, 05 Aug 2025)

  Changed paths:
    M libcxx/include/__assert
    M libcxx/test/support/check_assertion.h

  Log Message:
  -----------
  [libc++][hardening] Add a greppable prefix to assertion messages. (#150560)

The current assertion failure messages produced by Hardening are not
very grep-friendly (the common part is rarther generic and requires
wildcards to match). While it's possible to use `__FILE__` for grepping,
it's easier and more straighforward to simply add a libc++-specific
prefix; this is especially important for the planned `observe` mode that
might produce many assertion failure messages over the course of the
program's execution that later need to be filtered and examined.

(cherry picked from commit 4ef92469ab341ac1bee39a9413ffaa845e307414)



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