https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92474
--- Comment #2 from Konstantin Kharlamov <Hi-Angel at yandex dot ru> --- (In reply to Jakub Jelinek from comment #1) > Note, starting with r273603, the trunk doesn't tail call optimize this > either even without -fsanitize=, unless -fno-tree-sra. Is there a report for this?