* string.c (rb_str_succ): use wrapped character as a carry for

  ASCII incompatible encoding.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15339 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 4 insertions, 0 deletions

diff --git a/string.c b/string.c
index 29473251a3..945241ca3d 100644
--- a/string.c
+++ b/string.c
@@ -2203,6 +2203,10 @@ rb_str_succ(VALUE orig)
                 /* wrapped to \0...\0.  search next valid char. */
                 enc_succ_char(s, l, enc);
             }
+            if (!rb_enc_asciicompat(enc)) {
+                MEMCPY(carry, s, char, l);
+                carry_len = l;
+            }
             carry_pos = s - sbeg;
 	}
     }