Upgrade V8 to 5.1.281.57 DO NOT MERGE
FPIIM-449
Change-Id: Id981b686b4d587ac31697662eb98bb34be42ad90
(cherry picked from commit 3b9bc31999c9787eb726ecdbfd5796bfdec32a18)
diff --git a/test/mjsunit/es6/string-startswith.js b/test/mjsunit/es6/string-startswith.js
index 887db99..f38f7b9 100644
--- a/test/mjsunit/es6/string-startswith.js
+++ b/test/mjsunit/es6/string-startswith.js
@@ -399,3 +399,11 @@
"toString": function() { return "abc"; }
}, [/./]);
}, TypeError);
+
+// startsWith does its brand checks with Symbol.match
+var re = /./;
+assertThrows(function() {
+ "".startsWith(re);
+}, TypeError);
+re[Symbol.match] = false;
+assertEquals(false, "".startsWith(re));