[all-commits] [llvm/llvm-project] a85b13: [libc++] Improve make_string test support.

[mordante via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: a85b1320b6565714dc60b574f86988f4726b9352
      https://github.com/llvm/llvm-project/commit/a85b1320b6565714dc60b574f86988f4726b9352
  Author: Mark de Wever <koraq at xs4all.nl>
  Date:   2021-05-14 (Fri, 14 May 2021)

  Changed paths:
    M libcxx/test/support/make_string.h

  Log Message:
  -----------
  [libc++] Improve make_string test support.

Adds MAKE_CSTRING and makes the operators of `MultiStringType` `constexpr`.

The code is copied from D96664 so it can be used in D80895.

Differential Revision: https://reviews.llvm.org/D102414