[all-commits] [llvm/llvm-project] 7f8bd8: Revert "[Driver] Remove Joined -X"

[Roy Sundahl via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 7f8bd8ac0658b5e75049fd5c04fcf8c31352f397
      https://github.com/llvm/llvm-project/commit/7f8bd8ac0658b5e75049fd5c04fcf8c31352f397
  Author: Roy Sundahl <rsundahl at apple.com>
  Date:   2022-12-16 (Fri, 16 Dec 2022)

  Changed paths:
    M clang/include/clang/Driver/Options.td
    A clang/test/Misc/warn-not-error-Xfoo.c

  Log Message:
  -----------
  Revert "[Driver] Remove Joined -X"

This change is breaking internal builds. We use the -Xfoo pattern but can
now no longer manage whether we allow an unused -Xfoo option to pass as a
warning or promote it to an error.

This reverts commit 98615fd376cea15af21e120e0e3ffa5ba68c2b6d.

Reviewed By: davide

Differential Revision: https://reviews.llvm.org/D139717