clang-cl: Don't warn about /Oy- being unused in 64-bit builds.
http://reviews.llvm.org/D18392
llvm-svn: 264163
diff --git a/clang/lib/Driver/MSVCToolChain.cpp b/clang/lib/Driver/MSVCToolChain.cpp
index 0834be7..e055290 100644
--- a/clang/lib/Driver/MSVCToolChain.cpp
+++ b/clang/lib/Driver/MSVCToolChain.cpp
@@ -702,6 +702,12 @@
else
DAL.AddFlagArg(
A, Opts.getOption(options::OPT_fno_omit_frame_pointer));
+ } else {
+ // Don't warn about /Oy- in 64-bit builds (where
+ // SupportsForcingFramePointer is false). The flag having no effect
+ // there is a compiler-internal optimization, and people shouldn't have
+ // to special-case their build files for 64-bit clang-cl.
+ A->claim();
}
break;
}