* string.c (rb_str_set_len): rb_str_modify cannot work before the

  length is set, which is a precondition for rb_str_modify.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@28856 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/string.c b/string.c
index 6d8b606c11..decc9d7f04 100644
--- a/string.c
+++ b/string.c
@@ -1692,7 +1692,7 @@ rb_str_unlocktmp(VALUE str)
 void
 rb_str_set_len(VALUE str, long len)
 {
-    rb_str_modify(str);
+    str_modifiable(str);
     STR_SET_LEN(str, len);
     RSTRING_PTR(str)[len] = '\0';
 }