RegExp: Fix update of lastIndex on non-global sticky

test/mjsunit/harmony/regexp-sticky.js

Index: test/mjsunit/harmony/regexp-sticky.js
diff --git a/test/mjsunit/harmony/regexp-sticky.js b/test/mjsunit/harmony/regexp-sticky.js
index bd7f646d001d3acd36a69ac9ac9c62ab9d99cf5e..971adb7fed739f73372d6c2cf49bc4954fda358d 100644
--- a/test/mjsunit/harmony/regexp-sticky.js
+++ b/test/mjsunit/harmony/regexp-sticky.js
@@ -40,13 +40,13 @@ assertTrue(!!"..foobar".match(plain));
 var sticky = /foo.bar/y;
 
 assertTrue(!!"foo*bar".match(sticky));
-assertEquals(0, sticky.lastIndex);
+assertEquals(7, sticky.lastIndex);
 assertFalse(!!"..foo*bar".match(sticky));
 
 var stickyplain = /foobar/y;
 
 assertTrue(!!"foobar".match(stickyplain));
-assertEquals(0, stickyplain.lastIndex);
+assertEquals(6, stickyplain.lastIndex);
 assertFalse(!!"..foobar".match(stickyplain));
 
 var global = /foo.bar/g;