* 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, 0 insertions, 3 deletions

diff --git a/string.c b/string.c
index 7b65a6dc14..7c80a84d96 100644
--- a/string.c
+++ b/string.c
@@ -365,9 +365,6 @@ str_new(VALUE klass, const char *ptr, long len)
     if (ptr) {
 	memcpy(RSTRING_PTR(str), ptr, len);
     }
-    if (len == 0) {
-	ENCODING_CODERANGE_SET(str, rb_usascii_encindex(), ENC_CODERANGE_7BIT);
-    }
     STR_SET_LEN(str, len);
     RSTRING_PTR(str)[len] = '\0';
     return str;