* string.c (str_new): remove encoding assumption of empty string.

* hash.c ( rb_f_getenv, env_fetch, env_inspect): result of ENV should
  be always ASCII-8BIT.

* object.c (nil_to_s): nil.to_s should be US-ASCII.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15635 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/object.c b/object.c
index 2dc87610da..1585b87feb 100644
--- a/object.c
+++ b/object.c
@@ -808,7 +808,7 @@ nil_to_f(VALUE obj)
 static VALUE
 nil_to_s(VALUE obj)
 {
-    return rb_str_new(0, 0);
+    return rb_usascii_str_new(0, 0);
 }
 
 /*