https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70754
--- Comment #10 from amker at gcc dot gnu.org --- Author: amker Date: Mon Jan 23 15:59:19 2017 New Revision: 244815 URL: https://gcc.gnu.org/viewcvs?rev=244815&root=gcc&view=rev Log: PR tree-optimization/70754 * tree-predcom.c (stmt_combining_refs): New parameter INSERT_BEFORE. (reassociate_to_the_same_stmt): New parameter INSERT_BEFORE. Insert combined stmt before it if not NULL. (combine_chains): Process refs reversely and compute dominance point for root ref. gcc/testsuite PR tree-optimization/70754 * gfortran.dg/pr70754.f90: New test. Added: trunk/gcc/testsuite/gfortran.dg/pr70754.f90 Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-predcom.c