Improve handling of complicated getters and setters.

pkg/front_end/test/fasta/rasta/static.dart

 // Copyright (c) 2016, 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.md file.
 
 class Foo {
   static const staticConstant = 42;
   static var staticField = 42;
-  static staticFunction() {
-  }
+  static staticFunction() {}
 
   static get staticGetter => null;
   static set staticSetter(_) {}
 }
 
 use(x) {
   if (x == new DateTime.now().millisecondsSinceEpoch) throw "Shouldn't happen";
 }
 
 main() {
-  Foo.staticConstant;
-  use(Foo.staticConstant);
-  Foo.staticField;
-  use(Foo.staticField);
-  Foo.staticFunction;
-  use(Foo.staticFunction);
-  Foo.staticGetter;
-  use(Foo.staticGetter);
-  Foo.staticSetter;
-  use(Foo.staticSetter);
+  try {
+    Foo.staticConstant;
+    use(Foo.staticConstant);
+    Foo.staticField;
+    use(Foo.staticField);
+    Foo.staticFunction;
+    use(Foo.staticFunction);
+    Foo.staticGetter;
+    use(Foo.staticGetter);
+    Foo.staticSetter;
+    use(Foo.staticSetter);
 
-  Foo.staticConstant++;
-  use(Foo.staticConstant++);
-  Foo.staticField++;
-  use(Foo.staticField++);
-  Foo.staticFunction++;
-  use(Foo.staticFunction++);
-  Foo.staticGetter++;
-  use(Foo.staticGetter++);
-  Foo.staticSetter++;
-  use(Foo.staticSetter++);
+    Foo.staticConstant++;
+    use(Foo.staticConstant++);
+    Foo.staticField++;
+    use(Foo.staticField++);
+    Foo.staticFunction++;
+    use(Foo.staticFunction++);
+    Foo.staticGetter++;
+    use(Foo.staticGetter++);
+    Foo.staticSetter++;
+    use(Foo.staticSetter++);
 
-  ++Foo.staticConstant;
-  use(++Foo.staticConstant);
-  ++Foo.staticField;
-  use(++Foo.staticField);
-  ++Foo.staticFunction;
-  use(++Foo.staticFunction);
-  ++Foo.staticGetter;
-  use(++Foo.staticGetter);
-  ++Foo.staticSetter;
-  use(++Foo.staticSetter);
+    ++Foo.staticConstant;
+    use(++Foo.staticConstant);
+    ++Foo.staticField;
+    use(++Foo.staticField);
+    ++Foo.staticFunction;
+    use(++Foo.staticFunction);
+    ++Foo.staticGetter;
+    use(++Foo.staticGetter);
+    ++Foo.staticSetter;
+    use(++Foo.staticSetter);
 
-  Foo.staticConstant();
-  use(Foo.staticConstant());
-  Foo.staticField();
-  use(Foo.staticField());
-  Foo.staticFunction();
-  use(Foo.staticFunction());
-  Foo.staticGetter();
-  use(Foo.staticGetter());
-  Foo.staticSetter();
-  use(Foo.staticSetter());
+    Foo.staticConstant();
+    use(Foo.staticConstant());
+    Foo.staticField();
+    use(Foo.staticField());
+    Foo.staticFunction();
+    use(Foo.staticFunction());
+    Foo.staticGetter();
+    use(Foo.staticGetter());
+    Foo.staticSetter();
+    use(Foo.staticSetter());
 
-  Foo.staticConstant = 87;
-  use(Foo.staticConstant = 87);
-  Foo.staticField = 87;
-  use(Foo.staticField = 87);
-  Foo.staticFunction = 87;
-  use(Foo.staticFunction = 87);
-  Foo.staticGetter = 87;
-  use(Foo.staticGetter = 87);
-  Foo.staticSetter = 87;
-  use(Foo.staticSetter = 87);
+    Foo.staticConstant = 87;
+    use(Foo.staticConstant = 87);
+    Foo.staticField = 87;
+    use(Foo.staticField = 87);
+    Foo.staticFunction = 87;
+    use(Foo.staticFunction = 87);
+    Foo.staticGetter = 87;
+    use(Foo.staticGetter = 87);
+    Foo.staticSetter = 87;
+    use(Foo.staticSetter = 87);
 
-  Foo.staticConstant ??= 87;
-  use(Foo.staticConstant ??= 87);
-  Foo.staticField ??= 87;
-  use(Foo.staticField ??= 87);
-  Foo.staticFunction ??= 87;
-  use(Foo.staticFunction ??= 87);
-  Foo.staticGetter ??= 87;
-  use(Foo.staticGetter ??= 87);
-  Foo.staticSetter ??= 87;
-  use(Foo.staticSetter ??= 87);
+    Foo.staticConstant ??= 87;
+    use(Foo.staticConstant ??= 87);
+    Foo.staticField ??= 87;
+    use(Foo.staticField ??= 87);
+    Foo.staticFunction ??= 87;
+    use(Foo.staticFunction ??= 87);
+    Foo.staticGetter ??= 87;
+    use(Foo.staticGetter ??= 87);
+    Foo.staticSetter ??= 87;
+    use(Foo.staticSetter ??= 87);
+  } on NoSuchMethodError {
+    // Expected.
+  }
 }