diff --git a/gcc/fortran/gfortran.h b/gcc/fortran/gfortran.h
index 8419118e2fe..6a0fd091ec5 100644
--- a/gcc/fortran/gfortran.h
+++ b/gcc/fortran/gfortran.h
@@ -1897,7 +1897,7 @@ extern iterator_stack *iter_stack;
 /* data.c  */
 void gfc_formalize_init_value (gfc_symbol *);
 void gfc_get_section_index (gfc_array_ref *, mpz_t *, mpz_t *);
-void gfc_assign_data_value (gfc_expr *, gfc_expr *, mpz_t);
+try gfc_assign_data_value (gfc_expr *, gfc_expr *, mpz_t);
 void gfc_assign_data_value_range (gfc_expr *, gfc_expr *, mpz_t, mpz_t);
 void gfc_advance_section (mpz_t *, gfc_array_ref *, mpz_t *);