https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110461
David Binderman <dcb314 at hotmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |dcb314 at hotmail dot com --- Comment #7 from David Binderman <dcb314 at hotmail dot com> --- I get something similar with -O1 -march=znver1. The problem seems to have started in the last couple of days: ../results.20230626.asan.ubsan/bin/gcc ../results.20230628.asan.ubsan/bin/gcc during GIMPLE pass: fre buildData/keep/in.14426.c: In function ‘func_63’: buildData/keep/in.14426.c:465:18: internal compiler error: tree check: expected none of vector_type, have vector_type in gimple_simplify_144, at gimple-match-3.cc:1027 0x11656f9 tree_not_check_failed(tree_node const*, char const*, int, char const*, ...) ../../trunk.year/gcc/tree.cc:8936 0x1dc7c8b gimple_simplify_144(gimple_match_op*, gimple**, tree_node* (*)(tree_node*), tree_node*, tree_node**, tree_code) /home/dcb38/gcc/working/gcc/gimple-match-3.cc:1027