--- gcc/cprop.c.mp	2012-11-26 12:13:08.631193625 +0100
+++ gcc/cprop.c	2012-11-26 12:13:25.836238566 +0100
@@ -170,10 +170,7 @@ reg_available_p (const_rtx x, const_rtx
 static unsigned int
 hash_set (int regno, int hash_table_size)
 {
-  unsigned int hash;
-
-  hash = regno;
-  return hash % hash_table_size;
+  return (unsigned) regno % hash_table_size;
 }
 
 /* Insert assignment DEST:=SET from INSN in the hash table.