https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109589
--- Comment #3 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Jakub Jelinek <ja...@gcc.gnu.org>: https://gcc.gnu.org/g:195270d28a534cc1f08478c6e0136f4fc13d247a commit r14-165-g195270d28a534cc1f08478c6e0136f4fc13d247a Author: Jakub Jelinek <ja...@redhat.com> Date: Sat Apr 22 20:14:06 2023 +0200 Fix up bootstrap with GCC 4.[89] after RAII auto_mpfr and autp_mpz [PR109589] On Tue, Apr 18, 2023 at 03:39:41PM +0200, Richard Biener via Gcc-patches wrote: > The following adds two RAII classes, one for mpz_t and one for mpfr_t > making object lifetime management easier. Both formerly require > explicit initialization with {mpz,mpfr}_init and release with > {mpz,mpfr}_clear. This unfortunately broke bootstrap when using GCC 4.8.x or 4.9.x as it uses deleted friends which weren't supported until PR62101 fixed them in 2014 for GCC 5. The following patch adds an workaround, not deleting those friends for those old versions. While it means if people add those mp*_{init{,2},clear} calls on auto_mp* objects they won't notice when doing non-bootstrap builds using very old system compilers, people should be bootstrapping their changes and it will be caught during bootstraps even when starting with those old compilers, plus most people actually use much newer compilers when developing. 2023-04-22 Jakub Jelinek <ja...@redhat.com> PR bootstrap/109589 * system.h (class auto_mpz): Workaround PR62101 bug in GCC 4.8 and 4.9. * realmpfr.h (class auto_mpfr): Likewise.
