diff --git a/clang/tools/ccc/ccclib/Arguments.py b/clang/tools/ccc/ccclib/Arguments.py
index 184e33303176..625ec5152460 100644
--- a/clang/tools/ccc/ccclib/Arguments.py
+++ b/clang/tools/ccc/ccclib/Arguments.py
@@ -745,6 +745,7 @@ class OptionParser:
         # FIXME: Naming convention.
         self.dGroup = OptionGroup('-d')
         self.dAOption = self.addOption(FlagOption('-dA', self.dGroup))
+        self.dMOption = self.addOption(FlagOption('-dM', self.dGroup))
         self.dOption = self.addOption(FlagOption('-d', self.dGroup))
 
         # Use a group for this in anticipation of adding more -d
diff --git a/clang/tools/ccc/ccclib/Tools.py b/clang/tools/ccc/ccclib/Tools.py
index 4b600af44837..0f59f6962398 100644
--- a/clang/tools/ccc/ccclib/Tools.py
+++ b/clang/tools/ccc/ccclib/Tools.py
@@ -321,6 +321,8 @@ class Clang_CompileTool(Tool):
 
         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))