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

pkg/front_end/testcases/inference/null_literal_should_not_infer_as_bottom.dart

Index: pkg/front_end/testcases/inference/null_literal_should_not_infer_as_bottom.dart
diff --git a/pkg/front_end/testcases/inference/null_literal_should_not_infer_as_bottom.dart b/pkg/front_end/testcases/inference/null_literal_should_not_infer_as_bottom.dart
new file mode 100644
index 0000000000000000000000000000000000000000..d178e64db44fe78cced83da18acce3af887d4c49
--- /dev/null
+++ b/pkg/front_end/testcases/inference/null_literal_should_not_infer_as_bottom.dart
@@ -0,0 +1,27 @@
+// 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;
+
+var /*@topType=dynamic*/ h = null;
+void foo(int f(Object _)) {}
+
+main() {
+  var /*@type=(Object x) → dynamic*/ f = /*@returnType=dynamic*/ (Object x) =>
+      null;
+  String y = /*info:DYNAMIC_CAST*/ /*@promotedType=none*/ f(42);
+
+  f = /*@returnType=String*/ (/*@type=Object*/ x) => 'hello';
+
+  var /*@type=dynamic*/ g = null;
+  g = 'hello';
+  (/*info:DYNAMIC_INVOKE*/ /*@promotedType=none*/ g.foo());
+
+  h = 'hello';
+  (/*info:DYNAMIC_INVOKE*/ h.foo());
+
+  foo(/*@returnType=int*/ (/*@type=Object*/ x) => null);
+  foo(/*@returnType=<bottom>*/ (/*@type=Object*/ x) => throw "not implemented");
+}