https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86871
--- Comment #7 from rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org> --- Author: rsandifo Date: Thu Aug 9 14:37:24 2018 New Revision: 263447 URL: https://gcc.gnu.org/viewcvs?rev=263447&root=gcc&view=rev Log: Fix invalid assumption in vect_transform_stmt (PR 86871) The handling of outer-loop uses of inner-loop definitions assumed that anything that wasn't a PHI would be a gassign. It's also possible for it to be a gcall. 2018-08-08 Richard Sandiford <richard.sandif...@arm.com> gcc/ PR tree-optimization/86871 * tree-vect-stmts.c (vect_transform_stmt): Use gimple_get_lhs instead of gimple_assign_lhs. gcc/testsuite/ PR tree-optimization/86871 * gcc.dg/vect/pr86871.c: New test. Added: trunk/gcc/testsuite/gcc.dg/vect/pr86871.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-vect-stmts.c