array.c: no infection by unused separator

* array.c (rb_ary_join): should not infected by separator if it is not
  used.  [ruby-core:42161][Bug #5902]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36381 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 2 deletions

diff --git a/array.c b/array.c
index 7b2418a103..89b5f98688 100644
--- a/array.c
+++ b/array.c
@@ -1768,8 +1768,8 @@ rb_ary_join(VALUE ary, VALUE sep)
     VALUE val, tmp, result;
 
     if (RARRAY_LEN(ary) == 0) return rb_usascii_str_new(0, 0);
-    if (OBJ_TAINTED(ary) || OBJ_TAINTED(sep)) taint = TRUE;
-    if (OBJ_UNTRUSTED(ary) || OBJ_UNTRUSTED(sep)) untrust = TRUE;
+    if (OBJ_TAINTED(ary)) taint = TRUE;
+    if (OBJ_UNTRUSTED(ary)) untrust = TRUE;
 
     if (!NIL_P(sep)) {
 	StringValue(sep);