https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87851
anlauf at gcc dot gnu.org changed: What |Removed |Added ---------------------------------------------------------------------------- Known to work| |11.3.0, 12.2.0, 13.1.0, | |14.0 Summary|[10/11/12/13/14 Regression] |[10 Regression] Wrong |Wrong return type for |return type for len_trim |len_trim | Known to fail| |10.4.0 --- Comment #21 from anlauf at gcc dot gnu.org --- Adjusting known-to-work. A backport to 10-branch would be a major effort, so likely wont-fix in 10.5.