Claim arguments that belong to 'clang_ignored_gcc_optimization_f_Group'

This seems preferable to printing two warnings per unsupported option-
one warning about not supporting it, and one about not using it.
It also makes the '-Wno-' option do what you mean.

Differential Revision: http://reviews.llvm.org/D11766

llvm-svn: 244079

1 files changed, 1 insertions, 0 deletions

diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp
index 2135b77f5e6..043d9958b3c 100644
--- a/clang/lib/Driver/Tools.cpp
+++ b/clang/lib/Driver/Tools.cpp
@@ -3848,6 +3848,7 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
   for (const Arg *A :
        Args.filtered(options::OPT_clang_ignored_gcc_optimization_f_Group)) {
     D.Diag(diag::warn_ignored_gcc_optimization) << A->getAsString(Args);
+    A->claim();
   }
 
   claimNoWarnArgs(Args);