https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119792
--- Comment #7 from GCC Commits <cvs-commit at gcc dot gnu.org> --- The releases/gcc-14 branch has been updated by Eric Botcazou <ebotca...@gcc.gnu.org>: https://gcc.gnu.org/g:5457388f58262bee41ae1d744ff6f3da34119e2d commit r14-11611-g5457388f58262bee41ae1d744ff6f3da34119e2d Author: Eric Botcazou <ebotca...@adacore.com> Date: Mon Apr 14 23:35:43 2025 +0200 Revert very recent backport of changes to the type system The backport of the change made for PR c/113688 onto the 14 branch a couple of weeks ago has seriously broken the LTO compiler for the Ada language on the 14 branch, because it changes the GCC type system for the sake of C in a way that is not compatible with simple discriminated types in Ada. To be more precise, useless_type_conversion_p now returns true for some (view-) conversions that are needed by the rest of the compiler. gcc/ PR lto/119792 Revert Backported from master: 2024-12-12 Martin Uecker <uec...@tugraz.at> PR c/113688 PR c/114014 PR c/114713 PR c/117724 * tree.cc (gimple_canonical_types_compatible_p): Add exception. (verify_type): Add exception. gcc/lto/ PR lto/119792 Revert Backported from master: 2024-12-12 Martin Uecker <uec...@tugraz.at> * lto-common.cc (hash_canonical_type): Add exception. gcc/testsuite/ * gcc.dg/pr113688.c: Delete. * gcc.dg/pr114014.c: Likewise. * gcc.dg/pr114713.c: Likewise. * gcc.dg/pr117724.c: Likewise
