* io.c (rb_io_each_codepoint): uninitialized local variable enc.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@23848 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 1 deletions

diff --git a/io.c b/io.c
index aa2d49a6b2..b16428e829 100644
--- a/io.c
+++ b/io.c
@@ -2822,7 +2822,8 @@ rb_io_each_codepoint(VALUE io)
 		}
 	    }
 	    if (MBCLEN_INVALID_P(r)) {
-		rb_raise(rb_eArgError, "invalid byte sequence in %s", rb_enc_name(enc));
+		rb_raise(rb_eArgError, "invalid byte sequence in %s",
+			 rb_enc_name(fptr->encs.enc));
 	    }
 	    n = MBCLEN_CHARFOUND_LEN(r);
 	    c = rb_enc_codepoint(fptr->cbuf+fptr->cbuf_off,