https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96086
anlauf at gcc dot gnu.org changed: What |Removed |Added ---------------------------------------------------------------------------- Ever confirmed|0 |1 Last reconfirmed| |2020-07-06 CC| |anlauf at gcc dot gnu.org Status|UNCONFIRMED |NEW --- Comment #1 from anlauf at gcc dot gnu.org --- The ICE is fixed by: diff --git a/gcc/fortran/match.c b/gcc/fortran/match.c index 7d3711c55f9..cb09c5f8ec5 100644 --- a/gcc/fortran/match.c +++ b/gcc/fortran/match.c @@ -6647,7 +6647,8 @@ gfc_match_select_rank (void) if (expr2->symtree) { sym2 = expr2->symtree->n.sym; - as = sym2->ts.type == BT_CLASS ? CLASS_DATA (sym2)->as : sym2->as; + as = (sym2->ts.type == BT_CLASS + && CLASS_DATA (sym2)) ? CLASS_DATA (sym2)->as : sym2->as; } if (expr2->expr_type != EXPR_VARIABLE @@ -6659,7 +6660,7 @@ gfc_match_select_rank (void) goto cleanup; } - if (expr2->ts.type == BT_CLASS) + if (expr2->ts.type == BT_CLASS && CLASS_DATA (sym2)) { copy_ts_from_selector_to_associate (expr1, expr2); diff --git a/gcc/fortran/resolve.c b/gcc/fortran/resolve.c index 223dcccce91..ef251dc142d 100644 --- a/gcc/fortran/resolve.c +++ b/gcc/fortran/resolve.c @@ -9012,7 +9012,9 @@ resolve_assoc_var (gfc_symbol* sym, bool resolve_target) if (as->corank != 0) sym->attr.codimension = 1; } - else if (sym->ts.type == BT_CLASS && (!CLASS_DATA (sym)->as || sym->assoc->rankguessed)) + else if (sym->ts.type == BT_CLASS + && CLASS_DATA (sym) + && (!CLASS_DATA (sym)->as || sym->assoc->rankguessed)) { if (!CLASS_DATA (sym)->as) CLASS_DATA (sym)->as = gfc_get_array_spec ();