[clang] b686fc7 - [Driver] Remove discouraged -gcc-toolchain

[Fangrui Song via cfe-commits]

Author: Fangrui Song
Date: 2021-08-20T16:36:42-07:00
New Revision: b686fc7a1bea5847676ee0f4e03d4318b0e9e350

URL: https://github.com/llvm/llvm-project/commit/b686fc7a1bea5847676ee0f4e03d4318b0e9e350
DIFF: https://github.com/llvm/llvm-project/commit/b686fc7a1bea5847676ee0f4e03d4318b0e9e350.diff

LOG: [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

Added: 
    

Modified: 
    clang/include/clang/Driver/Options.td

Removed: 
    


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diff  --git a/clang/include/clang/Driver/Options.td b/clang/include/clang/Driver/Options.td
index a91dacb0ec348..475b0ae088140 100644
--- a/clang/include/clang/Driver/Options.td
+++ b/clang/include/clang/Driver/Options.td
@@ -4301,7 +4301,6 @@ def mno_vzeroupper : Flag<["-"], "mno-vzeroupper">, Group<m_x86_Features_Group>;
 // These are legacy user-facing driver-level option spellings. They are always
 // aliases for options that are spelled using the more common Unix / GNU flag
 // style of double-dash and equals-joined flags.
-def gcc_toolchain_legacy_spelling : Separate<["-"], "gcc-toolchain">, Alias<gcc_toolchain>;
 def target_legacy_spelling : Separate<["-"], "target">, Alias<target>;
 
 // Special internal option to handle -Xlinker --no-demangle.