Defer escaping control char in error messages

* eval_error.c (print_errinfo): defer escaping control char in
  error messages until writing to stderr, instead of quoting at
  building the message.  [ruby-core:90853] [Bug #15497]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66753 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 2 deletions

diff --git a/error.c b/error.c
index beae3b8138..526c2151c0 100644
--- a/error.c
+++ b/error.c
@@ -1675,7 +1675,6 @@ name_err_mesg_to_str(VALUE obj)
 		d = rb_any_to_s(obj);
 	    }
 	    singleton = (RSTRING_LEN(d) > 0 && RSTRING_PTR(d)[0] == '#');
-	    d = QUOTE(d);
 	    break;
 	}
 	if (!singleton) {
@@ -1685,7 +1684,7 @@ name_err_mesg_to_str(VALUE obj)
 	else {
 	    c = s = FAKE_CSTR(&s_str, "");
 	}
-	args[0] = QUOTE(rb_obj_as_string(ptr[NAME_ERR_MESG__NAME]));
+	args[0] = rb_obj_as_string(ptr[NAME_ERR_MESG__NAME]);
 	args[1] = d;
 	args[2] = s;
 	args[3] = c;