Usage of "debug_prefix_maps" is hidden behind an API, with the only
direct uses of the ptr being within final.c. Indeed the declaration of
its type is local to that file.
Hence it can be made static.
Successfully bootstrapped on x86_64-unknown-linux-gnu
OK for trunk?
2013-06-11 David Malcolm <dmalc...@redhat.com>
* final.c (debug_prefix_maps): Make static.
Index: gcc/final.c
===================================================================
--- gcc/final.c (revision 199957)
+++ gcc/final.c (working copy)
@@ -1471,7 +1471,7 @@
} debug_prefix_map;
/* Linked list of such structures. */
-debug_prefix_map *debug_prefix_maps;
+static debug_prefix_map *debug_prefix_maps;
/* Record a debug file prefix mapping. ARG is the argument to
