* parse.y (parser_read_escape): disallow control and meta modifiers

  for non-ASCII characters.  [ruby-core:13685]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13962 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 2 deletions

diff --git a/parse.y b/parse.y
index eb3a250120..907f0c2de2 100644
--- a/parse.y
+++ b/parse.y
@@ -5140,7 +5140,7 @@ parser_read_escape(struct parser_params *parser, int flags,
 	    *has8bit = 1;
 	    return read_escape(flags|ESCAPE_META, &tmp, &tmp, encp) | 0x80;
 	}
-	else if (c == -1) goto eof;
+	else if (c == -1 || !ISASCII(c)) goto eof;
 	else {
             *has8bit = 1;
 	    return ((c & 0xff) | 0x80);
@@ -5159,7 +5159,7 @@ parser_read_escape(struct parser_params *parser, int flags,
 	}
 	else if (c == '?')
 	    return 0177;
-	else if (c == -1) goto eof;
+	else if (c == -1 || !ISASCII(c)) goto eof;
 	return c & 0x9f;
 
       eof: