Don't warn on unused -fno-lto.
It is somewhat common for CFLAGS to be used with .s files. We were
already ignoring -flto. This patch just does the same for -fno-lto.
llvm-svn: 225093
diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp
index 90d1acc..93027df 100644
--- a/clang/lib/Driver/Tools.cpp
+++ b/clang/lib/Driver/Tools.cpp
@@ -3379,9 +3379,10 @@
D.Diag(diag::warn_ignored_gcc_optimization) << (*it)->getAsString(Args);
}
- // Don't warn about unused -flto. This can happen when we're preprocessing or
- // precompiling.
+ // Don't warn about unused -f(no-)?lto. This can happen when we're preprocessing,
+ // precompiling or assembling.
Args.ClaimAllArgs(options::OPT_flto);
+ Args.ClaimAllArgs(options::OPT_fno_lto);
Args.AddAllArgs(CmdArgs, options::OPT_R_Group);
Args.AddAllArgs(CmdArgs, options::OPT_W_Group);