[all-commits] [llvm/llvm-project] dfb20d: [libc++][format] Improve ABI stability.

[mordante via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: dfb20d4d19ec80e2e3e0985e08642567019b2068
      https://github.com/llvm/llvm-project/commit/dfb20d4d19ec80e2e3e0985e08642567019b2068
  Author: Mark de Wever <koraq at xs4all.nl>
  Date:   2021-12-23 (Thu, 23 Dec 2021)

  Changed paths:
    M libcxx/include/__format/format_arg.h
    A libcxx/test/libcxx/utilities/format/format.arguments/format.arg/arg_t.compile.pass.cpp

  Log Message:
  -----------
  [libc++][format] Improve ABI stability.

During the review of D115991 @vitaut pointed out the enum shouldn't
depend on whether or not _LIBCPP_HAS_NO_INT128 is defined. The current
implementation lets the enum's ABI depend on this configuration option
without a good cause.

Reviewed By: ldionne, #libc

Differential Revision: https://reviews.llvm.org/D116120