* parse.y (parser_tokadd_string): regexp engine doesn't need

  terminators to be escaped.  [ruby-core:40364][Bug #5484]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@34896 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 4 insertions, 0 deletions

diff --git a/parse.y b/parse.y
index bfddcfb34a..6b2c7111d7 100644
--- a/parse.y
+++ b/parse.y
@@ -6514,6 +6514,10 @@ parser_tokadd_string(struct parser_params *parser,
 		    goto non_ascii;
 		}
 		if (func & STR_FUNC_REGEXP) {
+		    if (c == term) {
+			tokadd(c);
+			continue;
+		    }
 		    pushback(c);
 		    if ((c = tokadd_escape(&enc)) < 0)
 			return -1;