As this was an unbreak-build patch, it wasn't fully tested,
except that tree-ssa-structalias.c now compiles.
* tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
--- tree-ssa-structalias.c (revision 106744)
+++ tree-ssa-structalias.c (working copy)
@@ -311,10 +311,10 @@
static unsigned int anyoffset_id;
-/* Lookup a heap var for STMT, and return it if we find one. */
+/* Lookup a heap var for FROM, and return it if we find one. */
-heapvar_lookup (tree stmt)
+heapvar_lookup (tree from)
struct tree_map *h, in;
in.from = from;