[parser] early error when declaration Pattern missing Initializer

test/mjsunit/harmony/destructuring.js

Index: test/mjsunit/harmony/destructuring.js
diff --git a/test/mjsunit/harmony/destructuring.js b/test/mjsunit/harmony/destructuring.js
index 92cd7762604f17f0012efe793b4530251dd43b40..cdce636f99dffc378d729d9870936004a13c7e42 100644
--- a/test/mjsunit/harmony/destructuring.js
+++ b/test/mjsunit/harmony/destructuring.js
@@ -1104,6 +1104,10 @@
   assertEquals(1, result);
 })();
 
-(function TestDestructuringArrayWithoutInitializer() {
-  assertThrows('var [foo]', TypeError);
+(function TestDeclDestructuringArrayWithoutInitializer() {

[adamk, 2015/11/03 20:13:53]

Could you make this and the below into message tests instead? Then you'll also
be covering the position information with the test case.

+  assertThrows('var [foo]', SyntaxError);
+})();
+
+(function TestDeclDestructuringObjectWithoutInitializer() {
+  assertThrows('var {foo}', SyntaxError);
 })();