Class fields, part 3 (backends)

test/mjsunit/harmony/class-fields-to-name.js

Index: test/mjsunit/harmony/class-fields-to-name.js
diff --git a/test/mjsunit/harmony/class-fields-to-name.js b/test/mjsunit/harmony/class-fields-to-name.js
new file mode 100644
index 0000000000000000000000000000000000000000..003975f13aa41a8d18ed56fb0f8d02cb1ea9ecd7
--- /dev/null
+++ b/test/mjsunit/harmony/class-fields-to-name.js
@@ -0,0 +1,41 @@
+// 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: --harmony-class-fields
+
+{
+  let hits = 0;
+  let coercible = { toString(){ ++hits; return 'a'; } };
+
+  class C {
+    [coercible] = 0;
+  }
+
+  assertEquals(1, hits);
+
+  new C;
+  new C;
+
+  assertEquals(1, hits);
+
+  assertEquals(0, (new C).a);
+}
+
+{
+  let hits = 0;
+  let coercible = { toString(){ ++hits; return 'a'; } };
+
+  class C {
+    static [coercible] = 0;
+  }
+
+  assertEquals(1, hits);
+
+  new C;
+  new C;
+
+  assertEquals(1, hits);
+
+  assertEquals(0, C.a);
+}