add hash_map class
gcc/
* alloc-pool.c (alloc_pool_hash): Use hash_map instead of hash_table.
* dominance.c (iterate_fix_dominators): Use hash_map instead of
pointer_map.
* hash-map.h: New file.
* ipa-comdats.c: Use hash_map instead of pointer_map.
* ipa.c: Likewise.
* lto-section-out.c: Adjust.
* lto-streamer.h: Replace pointer_map with hash_map.
* symtab.c (verify_symtab): Likewise.
* tree-ssa-strlen.c (decl_to_stridxlist_htab): Likewise.
* tree-ssa-uncprop.c (val_ssa_equiv): Likewise.
* tree-streamer.h: Likewise.
* tree-streamer.c: Adjust.
* pointer-set.h: Remove pointer_map.
gcc/lto/
* lto.c (canonical_type_hash_cache): Use hash_map instead of
pointer_map.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@211938
138bc75d-0d04-0410-961f-
82ee72b054a4