https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112740
--- Comment #14 from GCC Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Richard Biener <rgue...@gcc.gnu.org>: https://gcc.gnu.org/g:e1f2d58a1e2536f13d3f2ea2d7373ae62cec9125 commit r14-7129-ge1f2d58a1e2536f13d3f2ea2d7373ae62cec9125 Author: Richard Biener <rguent...@suse.de> Date: Wed Jan 10 14:54:10 2024 +0100 middle-end/112740 - vector boolean CTOR expansion issue The optimization to expand uniform boolean vectors by sign-extension works only for dense masks but it failed to check that. PR middle-end/112740 * expr.cc (store_constructor): Check the integer vector mask has a single bit per element before using sign-extension to expand an uniform vector. * gcc.dg/pr112740.c: New testcase.
