Generated front_end/testcases/inference test files from Analyzer tests.

pkg/front_end/testcases/inference/infer_binary_custom.dart

Index: pkg/front_end/testcases/inference/infer_binary_custom.dart
diff --git a/pkg/front_end/testcases/inference/infer_binary_custom.dart b/pkg/front_end/testcases/inference/infer_binary_custom.dart
new file mode 100644
index 0000000000000000000000000000000000000000..732bb2145dbd18fddf3add4db9c2e178ebcf1078
--- /dev/null
+++ b/pkg/front_end/testcases/inference/infer_binary_custom.dart
@@ -0,0 +1,14 @@
+// Copyright (c) 2017, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+/*@testedFeatures=inference*/
+library test;
+
+class A {
+  int operator +(other) => 1;
+  double operator -(other) => 2.0;
+}
+
+var /*@topType=int*/ v_add = new A() + 'foo';
+var /*@topType=double*/ v_minus = new A() - 'bar';