Don't skip hole checks inside patterns in parameter lists

test/mjsunit/regress/regress-5454.js

Index: test/mjsunit/regress/regress-5454.js
diff --git a/test/mjsunit/regress/regress-5454.js b/test/mjsunit/regress/regress-5454.js
new file mode 100644
index 0000000000000000000000000000000000000000..ca6a9433b24025e090be085a557006c389873a89
--- /dev/null
+++ b/test/mjsunit/regress/regress-5454.js
@@ -0,0 +1,11 @@
+// Copyright 2016 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+assertThrows(function(...[b = !b]) { }, ReferenceError);
+assertThrows(() => (function([b = !b]) { })([]), ReferenceError);
+assertThrows(() => (function({b = !b}) { })({}), ReferenceError);
+
+assertThrows((...[b = !b]) => { }, ReferenceError);
+assertThrows(() => (([b = !b]) => { })([]), ReferenceError);
+assertThrows(() => (({b = !b}) => { })({}), ReferenceError);