Merge V8 5.3.332.45. DO NOT MERGE
Test: Manual
FPIIM-449
Change-Id: Id3254828b068abdea3cb10442e0172a8c9a98e03
(cherry picked from commit 13e2dadd00298019ed862f2b2fc5068bba730bcf)
diff --git a/test/mjsunit/harmony/sloppy-legacy-duplicate-generators.js b/test/mjsunit/harmony/sloppy-legacy-duplicate-generators.js
new file mode 100644
index 0000000..1fde475
--- /dev/null
+++ b/test/mjsunit/harmony/sloppy-legacy-duplicate-generators.js
@@ -0,0 +1,60 @@
+// 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.
+
+// Flags: --no-harmony-restrictive-generators
+
+// In legacy mode, generators get sloppy-mode block-scoped function hoisting
+
+// Hoisting to the global scope
+
+{
+ function* foo() {}
+ assertEquals('function', typeof foo);
+}
+//assertEquals('function', typeof foo);
+
+// Hoisting within a function scope
+(function() {
+ { function* bar() {} }
+ assertEquals('function', typeof bar);
+})();
+
+// Lexical shadowing allowed; hoisting happens
+(function() {
+ function* x() { yield 1; }
+ { function* x() { yield 2 } }
+ assertEquals(2, x().next().value);
+})();
+
+// Duplicates allowed
+(function() {
+ function* y() { yield 1; }
+ function* y() { yield 2 }
+ assertEquals(2, y().next().value);
+})();
+
+// Functions and generators may duplicate each other
+(function() {
+ function* z() { yield 1; }
+ function z() { return 2 }
+ assertEquals(2, z());
+
+ function a() { return 1; }
+ function* a() { yield 2 }
+ assertEquals(2, a().next().value);
+})();
+
+// In strict mode, none of this happens
+
+(function() {
+ 'use strict';
+
+ { function* bar() {} }
+ assertEquals('undefined', typeof bar);
+
+ // Lexical shadowing allowed; hoisting happens
+ function* x() { yield 1; }
+ { function* x() { yield 2 } }
+ assertEquals(1, x().next().value);
+})();