Make sure CompilerDriver actually resolves types

Bug: 10750824
Change-Id: Ie61881f24196e851d87822798a7e9abdf9678aa3
diff --git a/runtime/class_linker.cc b/runtime/class_linker.cc
index 4043f8b..4a3ae1b 100644
--- a/runtime/class_linker.cc
+++ b/runtime/class_linker.cc
@@ -3979,6 +3979,7 @@
       }
     }
   }
+  DCHECK((resolved == NULL) || resolved->IsResolved()) << PrettyDescriptor(resolved);
   return resolved;
 }