[all-commits] [llvm/llvm-project] ca69f5: [libcxx] [test] Detect the UCRT printf("%a") forma...

[Martin Storsjö via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: ca69f515fe29fa98b7ab52e49c5b401bb22f64f6
      https://github.com/llvm/llvm-project/commit/ca69f515fe29fa98b7ab52e49c5b401bb22f64f6
  Author: Martin Storsjö <martin at martin.st>
  Date:   2024-07-26 (Fri, 26 Jul 2024)

  Changed paths:
    M libcxx/test/std/localization/locale.categories/category.numeric/locale.nm.put/facet.num.put.members/put_double.hex.pass.cpp
    M libcxx/test/std/localization/locale.categories/category.numeric/locale.nm.put/facet.num.put.members/put_long_double.hex.pass.cpp
    M libcxx/utils/libcxx/test/features.py
    M libcxxabi/test/test_demangle.pass.cpp

  Log Message:
  -----------
  [libcxx] [test] Detect the UCRT printf("%a") formatting bug (#99846)

This fixes testing with MinGW, if built without
__USE_MINGW_ANSI_STDIO=1.

On x86 MinGW, such a configuration fails printf tests with long doubles
due to mismatches between 80 and 64 bit long doubles - but on ARM,
there's no such issue, so building without __USE_MINGW_ANSI_STDIO=1 is
perfectly valid there.

Add another similar XFAIL to a libcxxabi test; this test isn't executed
in MSVC environments, so no XFAIL has been needed so far.



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