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2007-07-24 Richard Guenther <rguenther@suse.de> PR tree-optimization/32723 Backport from mainline: 2007-03-09 Daniel Berlin <dberlin@dberlin.org> * tree-ssa-structalias.c (shared_bitmap_info_t): New structure. (shared_bitmap_table): New variable. (shared_bitmap_hash): New function. (shared_bitmap_eq): Ditto (shared_bitmap_lookup): Ditto. (shared_bitmap_add): Ditto. (find_what_p_points_to): Rewrite to use shared bitmap hashtable. (init_alias_vars): Init shared bitmap hashtable. (delete_points_to_sets): Delete shared bitmap hashtable. From-SVN: r126867
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