* parse.y (parser_tokadd_string, parser_yylex): insert a backslash

  if the next character is non-ascii.  [ruby-dev:45278] [Bug #6069]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@34776 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 5 insertions, 1 deletions

diff --git a/parse.y b/parse.y
index 82eb3d406a..3460c38518 100644
--- a/parse.y
+++ b/parse.y
@@ -6506,7 +6506,10 @@ parser_tokadd_string(struct parser_params *parser,
 
 	      default:
 		if (c == -1) return -1;
-		if (!ISASCII(c)) goto non_ascii;
+		if (!ISASCII(c)) {
+		    tokadd('\\');
+		    goto non_ascii;
+		}
 		if (func & STR_FUNC_REGEXP) {
 		    pushback(c);
 		    if ((c = tokadd_escape(&enc)) < 0)
@@ -7594,6 +7597,7 @@ parser_yylex(struct parser_params *parser)
             }
             else if (!lex_eol_p() && !(c = *lex_p, ISASCII(c))) {
                 nextc();
+		tokadd('\\');
                 if (tokadd_mbchar(c) == -1) return 0;
             }
             else {