https://github.com/nico created https://github.com/llvm/llvm-project/pull/176285

…cl option

>From a7b97525dd9b66ade6af0a16e23b1e26f5c229d4 Mon Sep 17 00:00:00 2001
From: Nico Weber <[email protected]>
Date: Thu, 15 Jan 2026 19:44:14 -0500
Subject: [PATCH] [clang] Expose -f(no-)modules-disable-diagnostic-validation
 as clang-cl option

---
 clang/include/clang/Options/Options.td | 2 +-
 clang/test/Driver/cl-options.c         | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/clang/include/clang/Options/Options.td 
b/clang/include/clang/Options/Options.td
index d4dd71b9d1bea..9bf195e3dab4d 100644
--- a/clang/include/clang/Options/Options.td
+++ b/clang/include/clang/Options/Options.td
@@ -3449,7 +3449,7 @@ def fmodules_validate_once_per_build_session : 
Flag<["-"], "fmodules-validate-on
            "successfully validated or loaded during this build session">,
   MarshallingInfoFlag<HeaderSearchOpts<"ModulesValidateOncePerBuildSession">>;
 def fmodules_disable_diagnostic_validation : Flag<["-"], 
"fmodules-disable-diagnostic-validation">,
-  Group<i_Group>, Visibility<[ClangOption, CC1Option]>,
+  Group<i_Group>, Visibility<[ClangOption, CLOption, CC1Option]>,
   HelpText<"Disable validation of the diagnostic options when loading the 
module">,
   
MarshallingInfoNegativeFlag<HeaderSearchOpts<"ModulesValidateDiagnosticOptions">>;
 defm modules_force_validate_user_headers : BoolOption<"f", 
"modules-force-validate-user-headers",
diff --git a/clang/test/Driver/cl-options.c b/clang/test/Driver/cl-options.c
index 1b1169b71554a..8f2f7e4c18020 100644
--- a/clang/test/Driver/cl-options.c
+++ b/clang/test/Driver/cl-options.c
@@ -746,6 +746,8 @@
 // RUN:     -fsystem-module \
 // RUN:     -fmodule-map-file=foo \
 // RUN:     -fmodule-file=foo \
+// RUN:     -fmodules-disable-diagnostic-validation \
+// RUN:     -fno-modules-disable-diagnostic-validation \
 // RUN:     -fmodules-ignore-macro=foo \
 // RUN:     -fmodules-strict-decluse \
 // RUN:     -fmodules-decluse \

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