Fix for messed-up short-circuit operators.

lib/src/compiler/reify_coercions.dart

 // Copyright (c) 2015, 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.
 
 import 'package:analyzer/analyzer.dart' as analyzer;
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/element/type.dart' show DartType;
 import 'package:analyzer/src/dart/ast/ast.dart' show FunctionBodyImpl;
 import 'package:analyzer/src/dart/ast/utilities.dart' show NodeReplacer;
 import 'package:analyzer/src/dart/element/type.dart' show DynamicTypeImpl;
@@ skipping 27 matching lines @@
   @override
   visitExpression(Expression node) {
     var coercion = CoercionInfo.get(node);
     if (coercion is DownCast) {
       return _visitDownCast(coercion, node);
     }
     return super.visitExpression(node);
   }
 
   @override
+  visitParenthesizedExpression(ParenthesizedExpression node) {
+    super.visitParenthesizedExpression(node);
+    node.staticType = node.expression.staticType;
+  }
+
+  @override
   visitForEachStatement(ForEachStatement node) {
     // Visit other children.
     node.iterable.accept(this);
     node.body.accept(this);
 
     // If needed, assert a cast inside the body before the variable is read.
     var variable = node.identifier ?? node.loopVariable.identifier;
     var coercion = CoercionInfo.get(variable);
     if (coercion is DownCast) {
       // Build the cast. We will place this cast in the body, so need to clone
@@ skipping 93 matching lines @@
 
   @override
   ExpressionFunctionBody visitExpressionFunctionBody(
       ExpressionFunctionBody node) {
     var clone = super.visitExpressionFunctionBody(node);
     (clone as FunctionBodyImpl).localVariableInfo =
         (node as FunctionBodyImpl).localVariableInfo;
     return clone;
   }
 }