Driver: Forward -MMD (not -MM) to clang-cc; this got lost in
translation, the former we support, the later we don't (yet).


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67611 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index a550347..15c0fc9 100644
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -207,7 +207,7 @@
     // -fstack-protect.
 
     Args.AddLastArg(CmdArgs, options::OPT_MD);
-    Args.AddLastArg(CmdArgs, options::OPT_MM);
+    Args.AddLastArg(CmdArgs, options::OPT_MMD);
     Args.AddAllArgs(CmdArgs, options::OPT_MF);
     Args.AddLastArg(CmdArgs, options::OPT_MP);
     Args.AddAllArgs(CmdArgs, options::OPT_MT);