Driver: Add an explicit dsymutil action.

llvm-svn: 105474
diff --git a/clang/lib/Driver/Action.cpp b/clang/lib/Driver/Action.cpp
index b9a3306..f34971b 100644
--- a/clang/lib/Driver/Action.cpp
+++ b/clang/lib/Driver/Action.cpp
@@ -30,6 +30,7 @@
   case AssembleJobClass: return "assembler";
   case LinkJobClass: return "linker";
   case LipoJobClass: return "lipo";
+  case DsymutilJobClass: return "dsymutil";
   }
 
   assert(0 && "invalid class");
@@ -79,3 +80,7 @@
 LipoJobAction::LipoJobAction(ActionList &Inputs, types::ID Type)
   : JobAction(LipoJobClass, Inputs, Type) {
 }
+
+DsymutilJobAction::DsymutilJobAction(ActionList &Inputs, types::ID Type)
+  : JobAction(DsymutilJobClass, Inputs, Type) {
+}