https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102787
--- Comment #7 from anlauf at gcc dot gnu.org ---
Slightly improved version of the patch of comment#6:
diff --git a/gcc/fortran/array.c b/gcc/fortran/array.c
index 6552eaf3b0c..a63a6631f59 100644
--- a/gcc/fortran/array.c
+++ b/gcc/fortran/array.c
@@ -1812,6 +1812,29 @@ expand_constructor (gfc_constructor_base base)
continue;
}
+ /* Expand constant array within array constructor. */
+ if (e->expr_type == EXPR_VARIABLE && e->rank && e->ref
+ && e->symtree && e->symtree->n.sym
+ && e->symtree->n.sym->attr.flavor == FL_PARAMETER
+ && e->symtree->n.sym->value
+ && e->symtree->n.sym->value->value.constructor)
+ {
+ gfc_array_ref *ar;
+ ar = gfc_find_array_ref (e);
+ if (ar && ar->as && ar->as->type == AS_EXPLICIT)
+ {
+ if (ar->type == AR_FULL)
+ {
+ gfc_expr *value = e->symtree->n.sym->value;
+ if (!expand_constructor (value->value.constructor))
+ return false;
+
+ continue;
+ }
+ /* TODO: handle ar->type == AR_SECTION. */
+ }
+ }
+
empty_constructor = false;
e = gfc_copy_expr (e);
if (!gfc_simplify_expr (e, 1))
Still does not handle array sections.