https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108426
--- Comment #7 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Ian Lance Taylor <i...@gcc.gnu.org>: https://gcc.gnu.org/g:6d80690132a2f00fae1f619d4ffd950ce8cfdbc7 commit r13-5231-g6d80690132a2f00fae1f619d4ffd950ce8cfdbc7 Author: Ian Lance Taylor <i...@golang.org> Date: Tue Jan 17 09:02:49 2023 -0800 go: define two builtin functions used by middle-end PR go/108426 * go-gcc.cc (Gcc_backend::Gcc_backend): Define __builtin_ctzl and __builtin_clzl. Patch by Andrew Pinski.