https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94224
--- 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:4119cd693d27e9dd87c547de75283edd45bf6dce commit r10-7287-g4119cd693d27e9dd87c547de75283edd45bf6dce Author: Jakub Jelinek <ja...@redhat.com> Date: Fri Mar 20 09:33:38 2020 +0100 store-merging: Fix up -fnon-call-exceptions handling [PR94224] When we are adding a single store into a store group, we are already checking that store->lp_nr matches, but we have also code to add further INTEGER_CST stores into the group right away if the ordering requires that either we put there all or none from a certain set of stores. And in those cases we weren't doing these lp_nr checks, which means we could end up with stores with different lp_nr in the same group, which then ICEs during output_merged_store. 2020-03-20 Jakub Jelinek <ja...@redhat.com> PR tree-optimization/94224 * gimple-ssa-store-merging.c (imm_store_chain_info::coalesce_immediate): Don't consider overlapping or adjacent INTEGER_CST rhs_code stores as mergeable if they have different lp_nr. * g++.dg/tree-ssa/pr94224.C: New test.
