https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82381
--- Comment #7 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Author: jakub Date: Tue Oct 3 11:24:39 2017 New Revision: 253379 URL: https://gcc.gnu.org/viewcvs?rev=253379&root=gcc&view=rev Log: PR tree-optimization/82381 * tree-ssa-reassoc.c (sort_by_operand_rank): Don't check stmt_to_insert nor wheather SSA_NAMEs are default defs. Return 1 or -1 if one of bba and bbb is NULL. If bb_rank is equal, fallthrough into reassoc_stmt_dominates_stmt_p. * gcc.c-torture/compile/pr82381.c: New test. Added: trunk/gcc/testsuite/gcc.c-torture/compile/pr82381.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-ssa-reassoc.c