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authorChad Rosier <mcrosier@apple.com>2012-12-12 20:06:31 +0000
committerChad Rosier <mcrosier@apple.com>2012-12-12 20:06:31 +0000
commit86b82087de9b8a051ace7351bd80d3024dd68a49 (patch)
tree71664c3a2003bddb3042dc1050037d1cc4cb8f54 /clang/lib/Driver/Tools.cpp
parentc627682ef7b5c67222c3a08f3e982697feb564d7 (diff)
downloadbcm5719-llvm-86b82087de9b8a051ace7351bd80d3024dd68a49.tar.gz
bcm5719-llvm-86b82087de9b8a051ace7351bd80d3024dd68a49.zip
[driver] Don't warn about an unused -flto option.
rdar://12851905 llvm-svn: 170010
Diffstat (limited to 'clang/lib/Driver/Tools.cpp')
-rw-r--r--clang/lib/Driver/Tools.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp
index 25aab58660c..ee86da6c340 100644
--- a/clang/lib/Driver/Tools.cpp
+++ b/clang/lib/Driver/Tools.cpp
@@ -2281,6 +2281,10 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
A->render(Args, CmdArgs);
}
+ // Don't warn about unused -flto. This can happen when we're preprocessing or
+ // precompiling.
+ Args.ClaimAllArgs(options::OPT_flto);
+
Args.AddAllArgs(CmdArgs, options::OPT_W_Group);
if (Args.hasFlag(options::OPT_pedantic, options::OPT_no_pedantic, false))
CmdArgs.push_back("-pedantic");
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