[parser] partially revert "use-strict directives in function body affect init block"

test/mjsunit/harmony/rest-params.js

Index: test/mjsunit/harmony/rest-params.js
diff --git a/test/mjsunit/harmony/rest-params.js b/test/mjsunit/harmony/rest-params.js
index fe7ee2adb81186076d1a32bee92642d1a2cdc430..0b05d33824252ee2e5aa8eb3a123096badcf0bbd 100644
--- a/test/mjsunit/harmony/rest-params.js
+++ b/test/mjsunit/harmony/rest-params.js
@@ -16,18 +16,20 @@
                     return args.length; })(1,2,3,4,5));
 })();
 
-function strictTest(a, b, ...c) {
+var strictTest = (function() {
   "use strict";
-  assertEquals(Array, c.constructor);
-  assertTrue(Array.isArray(c));
+  return function strictTest(a, b, ...c) {
+    assertEquals(Array, c.constructor);
+    assertTrue(Array.isArray(c));
 
-  var expectedLength = arguments.length >= 3 ? arguments.length - 2 : 0;
-  assertEquals(expectedLength, c.length);
+    var expectedLength = arguments.length >= 3 ? arguments.length - 2 : 0;
+    assertEquals(expectedLength, c.length);
 
-  for (var i = 2, j = 0; i < arguments.length; ++i) {
-    assertEquals(c[j++], arguments[i]);
-  }
-}
+    for (var i = 2, j = 0; i < arguments.length; ++i) {
+      assertEquals(c[j++], arguments[i]);
+    }
+  };
+})();
 
 function sloppyTest(a, b, ...c) {
   assertEquals(Array, c.constructor);
@@ -144,8 +146,8 @@ var O = {
 
 
 (function testNoAliasArgumentsStrict() {
+  "use strict";
   function strictF(a, ...rest) {
-    "use strict";
     arguments[0] = 1;
     assertEquals(3, a);
     arguments[1] = 2;