https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91976
--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Author: jakub Date: Wed Oct 2 22:33:39 2019 New Revision: 276495 URL: https://gcc.gnu.org/viewcvs?rev=276495&root=gcc&view=rev Log: PR rtl-optimization/91976 * expr.c (emit_block_move_hints): Don't call can_move_by_pieces if size is not CONST_INT_P, set pieces_ok to false in that case. Simplify CONST_INT_P (size) && pieces_ok to pieces_ok. Formatting fix. Modified: trunk/gcc/ChangeLog trunk/gcc/expr.c