https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112848
--- Comment #3 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:50f2a3370d177f8fe9bea0461feb710523e048a2 commit r14-6132-g50f2a3370d177f8fe9bea0461feb710523e048a2 Author: Richard Biener <rguent...@suse.de> Date: Mon Dec 4 15:46:38 2023 +0100 tree-optimization/112827 - more SCEV cprop fixes The insert iteration can be corrupted by foldings of replace_uses_by, within this particular PHI replacement but also with subsequent ones. Recompute the insert location before insertion instead. This fixes an obvserved ICE of gcc.dg/tree-ssa/ssa-sink-16.c. PR tree-optimization/112827 PR tree-optimization/112848 * tree-scalar-evolution.cc (final_value_replacement_loop): Compute the insert location for each insert.
