diff --git a/gcc/config/darwin.cc b/gcc/config/darwin.cc
index ae821e32012..4e495fce82b 100644
--- a/gcc/config/darwin.cc
+++ b/gcc/config/darwin.cc
@@ -90,7 +90,7 @@ along with GCC; see the file COPYING3.  If not see
 typedef struct GTY(()) cdtor_record {
   rtx symbol;
   int priority;		/* [con/de]structor priority */
-  int position;		/* original position */
+  unsigned position;	/* original position */
 } cdtor_record;
 
 static GTY(()) vec<cdtor_record, va_gc> *ctors = NULL;