re PR fortran/68154 (ICE on initializing character parameter array (explicit, implied))

2015-10-30  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/68154
	* decl.c (add_init_expr_to_sym): if the char length in the typespec
	is NULL, check for and use a constructor. 

2015-10-30  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/68154
	*gfortran.dg/pr68154.f90

From-SVN: r229588

gcc/fortran/ChangeLog

-2015-10-29  Steven G. Kargl  <kargl@gcc.gnu.org>
+2015-10-30  Steven G. Kargl  <kargl@gcc.gnu.org>
+
+	PR fortran/68154
+	* decl.c (add_init_expr_to_sym): if the char length in the typespec
+	is NULL, check for and use a constructor. 
+2015-10-30  Steven G. Kargl  <kargl@gcc.gnu.org>
 
 	PR fortran/68054
 	* decl.c (match_attr_spec): PROTECTED can only be a module.

gcc/fortran/decl.c

@@ -1461,7 +1461,16 @@ add_init_expr_to_sym (const char *name, gfc_expr **initp, locus *var_locus)
 		    }
 		  else if (init->expr_type == EXPR_ARRAY)
 		    {
-		      clen = mpz_get_si (init->ts.u.cl->length->value.integer);
+		      if (init->ts.u.cl)
+			clen = mpz_get_si (init->ts.u.cl->length->value.integer);
+		      else if (init->value.constructor)
+			{
+			  gfc_constructor *c;
+	                  c = gfc_constructor_first (init->value.constructor); 	 
+	                  clen = c->expr->value.character.length;
+			}
+		      else
+			  gcc_unreachable ();
 		      sym->ts.u.cl->length
 				= gfc_get_int_expr (gfc_default_integer_kind,
 						    NULL, clen);

gcc/testsuite/ChangeLog

+2015-10-30  Steven G. Kargl  <kargl@gcc.gnu.org>
+
+	PR fortran/68154
+	*gfortran.dg/pr68154.f90
+
 2015-10-29  Nathan Sidwell  <nathan@codesourcery.com>
 
 	* c-c++-common/goacc/acc_on_device-2-off.c: Delete.

gcc/testsuite/gfortran.dg/pr68154.f90

+! { dg-do compile }
+! PR fortran/68154
+! Original code contributed by Gerhard Steinmetz
+! gerhard dot steinmetz dot fortran at t-online dot de
+program p
+   character(1), parameter :: x1(2) = 'a'
+   character(*), parameter :: x2(2) = x1
+   character(*), parameter :: x3(*) = x1
+end