1 files changed, 65 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/compiler/array-push-2.js b/deps/v8/test/mjsunit/compiler/array-push-2.js
new file mode 100644
index 0000000000..cb18d71d63
--- /dev/null
+++ b/deps/v8/test/mjsunit/compiler/array-push-2.js
@@ -0,0 +1,65 @@
+// Copyright 2017 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: --allow-natives-syntax --opt
+
+// Test elements transition from SMI to DOUBLE.
+(function() {
+  const a = [];
+  const foo = (x, y) => a.push(x, y);
+  foo(1, 2);
+  foo(3, 4);
+  %OptimizeFunctionOnNextCall(foo);
+  foo(5, 6.6);
+  assertEquals([1, 2, 3, 4, 5, 6.6], a);
+})();
+(function() {
+  const a = [];
+  const foo = (x, y) => a.push(x, y);
+  foo(1, 2);
+  foo(3, 4);
+  %OptimizeFunctionOnNextCall(foo);
+  foo(5.5, 6.6);
+  assertEquals([1, 2, 3, 4, 5.5, 6.6], a);
+})();
+
+// Test elements transition from SMI to OBJECT.
+(function() {
+  const a = [];
+  const foo = (x, y) => a.push(x, y);
+  foo(1, 2);
+  foo(3, 4);
+  %OptimizeFunctionOnNextCall(foo);
+  foo(5, '6');
+  assertEquals([1, 2, 3, 4, 5, '6'], a);
+})();
+(function() {
+  const a = [];
+  const foo = (x, y) => a.push(x, y);
+  foo(1, 2);
+  foo(3, 4);
+  %OptimizeFunctionOnNextCall(foo);
+  foo('5', '6');
+  assertEquals([1, 2, 3, 4, '5', '6'], a);
+})();
+
+// Test elements transition from DOUBLE to OBJECT.
+(function() {
+  const a = [0.5];
+  const foo = (x, y) => a.push(x, y);
+  foo(1, 2);
+  foo(3, 4);
+  %OptimizeFunctionOnNextCall(foo);
+  foo(5, '6');
+  assertEquals([0.5, 1, 2, 3, 4, 5, '6'], a);
+})();
+(function() {
+  const a = [0.5];
+  const foo = (x, y) => a.push(x, y);
+  foo(1, 2);
+  foo(3, 4);
+  %OptimizeFunctionOnNextCall(foo);
+  foo('5', '6');
+  assertEquals([0.5, 1, 2, 3, 4, '5', '6'], a);
+})();