https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92280
--- Comment #9 from Richard Biener <rguenth at gcc dot gnu.org> --- Author: rguenth Date: Tue Nov 5 13:29:52 2019 New Revision: 277832 URL: https://gcc.gnu.org/viewcvs?rev=277832&root=gcc&view=rev Log: 2019-11-05 Richard Biener <rguent...@suse.de> PR tree-optimization/92280 * match.pd (BIT_FIELD_REF of CTOR): Unless the original CTOR had a single use do not create a new CTOR. * tree-ssa-forwprop.c (simplify_bitfield_ref): Do not re-fold BIT_FIELD_REF of a CTOR via GENERIC. Modified: trunk/gcc/ChangeLog trunk/gcc/match.pd trunk/gcc/tree-ssa-forwprop.c
