https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55978
anlauf at gcc dot gnu.org changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |anlauf at gcc dot gnu.org
--- Comment #29 from anlauf at gcc dot gnu.org ---
(In reply to janus from comment #24)
> * the NULL case in comment 16 is rejected
This is fixed by:
diff --git a/gcc/fortran/interface.cc b/gcc/fortran/interface.cc
index fc4fe662eab..ad99285d513 100644
--- a/gcc/fortran/interface.cc
+++ b/gcc/fortran/interface.cc
@@ -3409,6 +3425,9 @@ gfc_compare_actual_formal (gfc_actual_arglist **ap,
gfc_formal_arglist *formal,
if (f->sym->ts.type == BT_CLASS)
goto skip_size_check;
+ if (a->expr->expr_type == EXPR_NULL || a->expr->ts.type == BT_UNKNOWN)
+ goto skip_size_check;
+
actual_size = get_expr_storage_size (a->expr);
formal_size = get_sym_storage_size (f->sym);
if (actual_size != 0 && actual_size < formal_size
