[Bug fortran/102521] ICE in gfc_conv_array_initializer, at fortran/trans-array.c:6240

[anlauf at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102521

--- Comment #4 from anlauf at gcc dot gnu.org ---
Tentative patch:

diff --git a/gcc/fortran/decl.c b/gcc/fortran/decl.c
index b3c65b7175b..cebc59e4ab5 100644
--- a/gcc/fortran/decl.c
+++ b/gcc/fortran/decl.c
@@ -2228,12 +2228,15 @@ add_init_expr_to_sym (const char *name, gfc_expr
**initp, locus *var_locus)
          gfc_expr *array;
          int n;
          if (sym->attr.flavor == FL_PARAMETER
-               && init->expr_type == EXPR_CONSTANT
-               && spec_size (sym->as, &size)
-               && mpz_cmp_si (size, 0) > 0)
+             && (init->expr_type == EXPR_CONSTANT
+                 || init->expr_type == EXPR_STRUCTURE)
+             && spec_size (sym->as, &size)
+             && mpz_cmp_si (size, 0) > 0)
            {
              array = gfc_get_array_expr (init->ts.type, init->ts.kind,
                                          &init->where);
+             if (init->ts.type == BT_DERIVED)
+               array->ts.u.derived = init->ts.u.derived;
              for (n = 0; n < (int)mpz_get_si (size); n++)
                gfc_constructor_append_expr (&array->value.constructor,
                                             n == 0