re PR bootstrap/53912 (bootstrap fails using default c++ mode in stage 2 and 3…

re PR bootstrap/53912 (bootstrap fails using default c++ mode in stage 2 and 3 for native x86_64-w64-mingw32)

	PR target/53912
	* ggc-common.c (POINTER_HASH): Cast from pointer via intptr_t.

From-SVN: r194072

gcc/ChangeLog

 2012-12-03 Kai Tietz  <ktietz@redhat.com>
 
 	PR target/53912
+	* ggc-common.c (POINTER_HASH): Cast from pointer via intptr_t.
+
+	PR target/53912
 	* tree-dump.c (dump_pointer): Print pointer via HOST_WIDE_INT_PRINT.
 
 	PR target/53912

gcc/ggc-common.c

@@ -304,7 +304,7 @@ struct ptr_data
   enum gt_types_enum type;
 };
 
-#define POINTER_HASH(x) (hashval_t)((long)x >> 3)
+#define POINTER_HASH(x) (hashval_t)((intptr_t)x >> 3)
 
 /* Register an object in the hash table.  */