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From: "anlauf at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug fortran/102521] ICE in gfc_conv_array_initializer, at
 fortran/trans-array.c:6240
Date: Sat, 02 Oct 2021 19:39:15 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D102521

--- 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 =3D=3D FL_PARAMETER
-               && init->expr_type =3D=3D EXPR_CONSTANT
-               && spec_size (sym->as, &size)
-               && mpz_cmp_si (size, 0) > 0)
+             && (init->expr_type =3D=3D EXPR_CONSTANT
+                 || init->expr_type =3D=3D EXPR_STRUCTURE)
+             && spec_size (sym->as, &size)
+             && mpz_cmp_si (size, 0) > 0)
            {
              array =3D gfc_get_array_expr (init->ts.type, init->ts.kind,
                                          &init->where);
+             if (init->ts.type =3D=3D BT_DERIVED)
+               array->ts.u.derived =3D init->ts.u.derived;
              for (n =3D 0; n < (int)mpz_get_si (size); n++)
                gfc_constructor_append_expr (&array->value.constructor,
                                             n =3D=3D 0=