[all-commits] [llvm/llvm-project] b686fc: [Driver] Remove discouraged -gcc-toolchain

[Fangrui Song via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: b686fc7a1bea5847676ee0f4e03d4318b0e9e350
      https://github.com/llvm/llvm-project/commit/b686fc7a1bea5847676ee0f4e03d4318b0e9e350
  Author: Fangrui Song <i at maskray.me>
  Date:   2021-08-20 (Fri, 20 Aug 2021)

  Changed paths:
    M clang/include/clang/Driver/Options.td

  Log Message:
  -----------
  [Driver] Remove discouraged -gcc-toolchain

Space separated driver options are uncommon but Clang traditionally
did not do a good job. --gcc-toolchain= is the preferred form.

This discourage form appears to be rare, so we can just drop it.

Reviewed By: phosek

Differential Revision: https://reviews.llvm.org/D108494