[clang] [clang-cl] Accept the --warning-suppression-mappings= option (PR #133092)

[Hans Wennborg via cfe-commits]

https://github.com/zmodem created https://github.com/llvm/llvm-project/pull/133092

None

>From 7a874d12661de2fe93ac5eba8e68edf25053f462 Mon Sep 17 00:00:00 2001
From: Hans Wennborg <hans at chromium.org>
Date: Wed, 26 Mar 2025 15:24:44 +0100
Subject: [PATCH] [clang-cl] Accept the --warning-suppression-mappings= option

---
 clang/include/clang/Driver/Options.td | 2 +-
 clang/test/Driver/cl-options.c        | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/clang/include/clang/Driver/Options.td b/clang/include/clang/Driver/Options.td
index 59a57c83c6b89..a2db66febb740 100644
--- a/clang/include/clang/Driver/Options.td
+++ b/clang/include/clang/Driver/Options.td
@@ -877,7 +877,7 @@ def Wa_COMMA : CommaJoined<["-"], "Wa,">,
 def warning_suppression_mappings_EQ : Joined<["--"],
   "warning-suppression-mappings=">, Group<Diag_Group>,
   HelpText<"File containing diagnostic suppression mappings. See user manual "
-  "for file format.">, Visibility<[ClangOption, CC1Option]>;
+  "for file format.">, Visibility<[ClangOption, CLOption, CC1Option]>;
 def Wall : Flag<["-"], "Wall">, Group<W_Group>, Flags<[HelpHidden]>,
   Visibility<[ClangOption, CC1Option, FlangOption]>;
 def WCL4 : Flag<["-"], "WCL4">, Group<W_Group>, Flags<[HelpHidden]>,
diff --git a/clang/test/Driver/cl-options.c b/clang/test/Driver/cl-options.c
index 9f9ca1bf1a8fd..eb4c74378f9d7 100644
--- a/clang/test/Driver/cl-options.c
+++ b/clang/test/Driver/cl-options.c
@@ -746,6 +746,7 @@
 // RUN:     -fwrapv-pointer \
 // RUN:     -fno-wrapv-pointer \
 // RUN:     --version \
+// RUN:     --warning-suppression-mappings=foo \
 // RUN:     -Werror /Zs -- %s 2>&1
 
 // Accept clang options under the /clang: flag.