Driver: Suppress some additional warnings with -Qunused-arguments.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@129853 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Driver/Driver.cpp b/lib/Driver/Driver.cpp
index 39ace114e6359562b4b8fd7dd28c7c293fac5193..fc4d86c861c89a2450fb8363906cdfde6d5b0959 100644 (file)
--- a/lib/Driver/Driver.cpp
+++ b/lib/Driver/Driver.cpp
@@ -858,6 +858,10 @@ void Driver::BuildActions(const ToolChain &TC, const DerivedArgList &Args,
       // Claim here to avoid the more general unused warning.
       InputArg->claim();
 
+      // Suppress all unused style warnings with -Qunused-arguments
+      if (Args.hasArg(options::OPT_Qunused_arguments))
+        continue;
+
       // Special case '-E' warning on a previously preprocessed file to make
       // more sense.
       if (InitialPhase == phases::Compile && FinalPhase == phases::Preprocess &&