* enum.c (enum_to_a): fix incompatibility introduced in r50457.

  [Bug #11130]

* test/ruby/test_enum.rb: test for above.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50477 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 3 deletions

diff --git a/enum.c b/enum.c
index ea151b464d..2516934814 100644
--- a/enum.c
+++ b/enum.c
@@ -517,11 +517,11 @@ enum_to_a(int argc, VALUE *argv, VALUE obj)
 {
     VALUE ary, size = rb_check_funcall(obj, id_size, 0, 0);
 
-    if (NIL_P(size) || size == Qundef) {
-	ary = rb_ary_new();
+    if (FIXNUM_P(size)) {
+	ary = rb_ary_new_capa(NUM2LONG(size));
     }
     else {
-	ary = rb_ary_new_capa(NUM2LONG(size));
+	ary = rb_ary_new();
     }
 
     rb_block_call(obj, id_each, argc, argv, collect_all, ary);