https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81555
--- Comment #10 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Author: jakub Date: Thu Jul 27 09:43:01 2017 New Revision: 250616 URL: https://gcc.gnu.org/viewcvs?rev=250616&root=gcc&view=rev Log: PR tree-optimization/81555 PR tree-optimization/81556 * tree-ssa-reassoc.c (rewrite_expr_tree): Add NEXT_CHANGED argument, if true, force CHANGED for the recursive invocation. (reassociate_bb): Remember original length of ops array, pass len != orig_len as NEXT_CHANGED in rewrite_expr_tree call. * gcc.c-torture/execute/pr81555.c: New test. * gcc.c-torture/execute/pr81556.c: New test. Added: branches/gcc-5-branch/gcc/testsuite/gcc.c-torture/execute/pr81555.c branches/gcc-5-branch/gcc/testsuite/gcc.c-torture/execute/pr81556.c Modified: branches/gcc-5-branch/gcc/ChangeLog branches/gcc-5-branch/gcc/testsuite/ChangeLog branches/gcc-5-branch/gcc/tree-ssa-reassoc.c
