https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98834
--- Comment #12 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The releases/gcc-10 branch has been updated by Richard Biener <rgue...@gcc.gnu.org>: https://gcc.gnu.org/g:592388d4f6e8a6adb470428fef6195694f4a3dce commit r10-9527-g592388d4f6e8a6adb470428fef6195694f4a3dce Author: Richard Biener <rguent...@suse.de> Date: Mon Mar 15 13:44:07 2021 +0100 tree-optimization/98834 - fix optimization regression with _b_c_p The following makes FRE optimize a load we formerly required SRA + CCP for which now run after we get rid of all __builtin_constant_p calls. 2021-03-15 Richard Biener <rguent...@suse.de> PR tree-optimization/98834 * tree-ssa-sccvn.c (vn_reference_lookup_3): Handle missing subsetting by truncating the access size. * g++.dg/opt/pr98834.C: New testcase. (cherry picked from commit 99415d0f18716deeaa8d80e929b1337968cdfa23)
