* array.c (rb_ary_cycle): avoid infinite loop for empty array.

  based on a patch from David Flanagan.  [ruby-core:12085]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13424 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/array.c b/array.c
index 3b9a294d95..6ab12a4d76 100644
--- a/array.c
+++ b/array.c
@@ -2939,7 +2939,7 @@ rb_ary_cycle(VALUE ary)
     long i;
 
     RETURN_ENUMERATOR(ary, 0, 0);
-    for (;;) {
+    while (RARRAY_LEN(ary) > 0) {
 	for (i=0; i<RARRAY_LEN(ary); i++) {
 	    rb_yield(RARRAY_PTR(ary)[i]);
 	}