https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114432
Stefan Schulze Frielinghaus <stefansf at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Last reconfirmed| |2024-4-17 CC| |stefansf at gcc dot gnu.org --- Comment #1 from Stefan Schulze Frielinghaus <stefansf at gcc dot gnu.org> --- Reproducible via $ wget https://www.codelabs.ch/download/libalog-0.6.2.tar.bz2 $ tar xf libalog-0.6.2.tar.bz2 $ gcc -c -x ada -gnatA -gnatygAdISuxo -gnatVa -gnatwal -gnatf -fstack-check -gnato -g -O2 -fno-omit-frame-pointer -mbackchain -gnatwe -fPIC libalog-0.6.2/src/alog-active_logger.adb Started with r12-4926-g79fe28d2c4b785 Confirmed on trunk r14-9999-g9c7cf5d71f0716 @Doko does Debian use -mbackchain? I can reproduce this on Ubuntu even for z196 but -mbackchain and -fstack-check are required in order to fail. For me 12.3 is failing, too, which matches with my bisect. How did you test 12.3?