From 5845688e91d85d46c0f47daaf4edfdfc772853cf Mon Sep 17 00:00:00 2001
From: Kadir Cetinkaya <kadircet@google.com>
Date: Wed, 13 Nov 2024 09:34:23 +0100
Subject: Reapply "[clang] Introduce diagnostics suppression mappings
 (#112517)"

This reverts commit 5f140ba54794fe6ca379362b133eb27780e363d7.
---
 clang/lib/Frontend/CompilerInvocation.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'clang/lib/Frontend/CompilerInvocation.cpp')

diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index b5fd35a..e3145dc 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -2521,6 +2521,11 @@ void CompilerInvocationBase::GenerateDiagnosticArgs(
 
     Consumer(StringRef("-R") + Remark);
   }
+
+  if (!Opts.DiagnosticSuppressionMappingsFile.empty()) {
+    GenerateArg(Consumer, OPT_warning_suppression_mappings_EQ,
+                Opts.DiagnosticSuppressionMappingsFile);
+  }
 }
 
 std::unique_ptr<DiagnosticOptions>
@@ -2597,6 +2602,9 @@ bool clang::ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args,
     Opts.TabStop = DiagnosticOptions::DefaultTabStop;
   }
 
+  if (const Arg *A = Args.getLastArg(OPT_warning_suppression_mappings_EQ))
+    Opts.DiagnosticSuppressionMappingsFile = A->getValue();
+
   addDiagnosticArgs(Args, OPT_W_Group, OPT_W_value_Group, Opts.Warnings);
   addDiagnosticArgs(Args, OPT_R_Group, OPT_R_value_Group, Opts.Remarks);
 
-- 
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