fix parsing of yield as object key (#1976)

fixes #1974
2017-05-20 13:11:37 +08:00
parent 9a074c2637
commit a2172e1a99
3 changed files with 16 additions and 7 deletions
--- a/lib/parse.js
+++ b/lib/parse.js
@@ -2411,7 +2411,8 @@ function parse($TEXT, options) {
                unexpected(tmp);
            }
          case "name":
-            if (tmp.value === "yield" && S.input.has_directive("use strict") && !is_in_generator()) {
+            if (tmp.value == "yield" && !is_token(peek(), "punc", ":")
+                && S.input.has_directive("use strict") && !is_in_generator()) {
                token_error(tmp, "Unexpected yield identifier inside strict mode");
            }
          case "string":