ccc: Forward -dM to clang.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63955 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/ccc/ccclib/Tools.py b/tools/ccc/ccclib/Tools.py
index 4b600af..0f59f69 100644
--- a/tools/ccc/ccclib/Tools.py
+++ b/tools/ccc/ccclib/Tools.py
@@ -321,6 +321,8 @@
 
         arglist.addAllArgs(cmd_args, arglist.parser.Clang_fGroup)
 
+        arglist.addLastArg(cmd_args, arglist.parser.dMOption)
+
         for arg in arglist.getArgs(arglist.parser.XclangOption):
             cmd_args.extend(arglist.getValues(arg))