preserve encodings in error messages

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51962 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 4 insertions, 3 deletions

diff --git a/array.c b/array.c
index 3a6e231a6e..44eaa20cfe 100644
--- a/array.c
+++ b/array.c
@@ -2170,10 +2170,11 @@ rb_ary_to_h(VALUE ary)
     long i;
     VALUE hash = rb_hash_new();
     for (i=0; i<RARRAY_LEN(ary); i++) {
-	VALUE key_value_pair = rb_check_array_type(rb_ary_elt(ary, i));
+	const VALUE elt = rb_ary_elt(ary, i);
+	const VALUE key_value_pair = rb_check_array_type(elt);
 	if (NIL_P(key_value_pair)) {
-	    rb_raise(rb_eTypeError, "wrong element type %s at %ld (expected array)",
-		rb_builtin_class_name(rb_ary_elt(ary, i)), i);
+	    rb_raise(rb_eTypeError, "wrong element type %"PRIsVALUE" at %ld (expected array)",
+		     rb_obj_class(elt), i);
 	}
 	if (RARRAY_LEN(key_value_pair) != 2) {
 	    rb_raise(rb_eArgError, "wrong array length at %ld (expected 2, was %ld)",