https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111618
--- Comment #1 from Antoine Lemoine <antoine.lemo...@bordeaux-inp.fr> --- Error message using gfortran 13.2 on Compiler Explorer: f951: internal compiler error: Segmentation fault 0x1bec57e internal_error(char const*, ...) ???:0 0x7d4c85 gfc_expression_rank(gfc_expr*) ???:0 0x7d4e62 gfc_op_rank_conformable(gfc_expr*, gfc_expr*) ???:0 0x79a447 gfc_match_expr(gfc_expr**) ???:0 0x790f48 gfc_match(char const*, ...) ???:0 0x792f01 gfc_match_assignment() ???:0 0x7c7795 gfc_parse_file() ???:0 Looks like a duplicate of pr109948.