Prepare flutter analyze for dart 1.14

packages/cassowary/lib/param.dart

@@ -23,7 +23,7 @@ class Param extends _EquationMember {
   double get value => variable.value;
 
   String get name => variable.name;
-  set name(String name) => variable.name = name;
+  set name(String name) { variable.name = name; }
 
   Expression asExpression() => new Expression([new Term(variable, 1.0)], 0.0);
 }

packages/flutter_tools/lib/src/commands/analyze.dart

@@ -268,6 +268,8 @@ class AnalyzeCommand extends FlutterCommand {
       new RegExp('^\\[(hint|error)\\] Unused import \\(${mainFile.path},'),
       new RegExp(r'^\[.+\] .+ \(.+/\.pub-cache/.+'),
       new RegExp(r'^\[error\] Invalid override\. The type of [^ ]+ \(.+\) is not a subtype of [^ ]+ \(.+\)\.'), // we allow type narrowing
+      new RegExp('^\\[error\\] The argument type \'List<T>\' cannot be assigned to the parameter type \'List<.+>\''), // until we have generic methods, there's not much choice if you want to use map()
+      new RegExp(r'^\[error\] Field declaration .+ cannot be overridden in .+\.'), // we allow overriding fields (if they use super, ideally...)
       new RegExp(r'^\[warning\] .+ will need runtime check to cast to type .+'), // https://github.com/dart-lang/sdk/issues/24542
       new RegExp(r'^\[error\] Type check failed: .*\(dynamic\) is not of type'), // allow unchecked casts from dynamic
       new RegExp('^\\[error\\] Target of URI does not exist: \'dart:ui_internals\''), // https://github.com/flutter/flutter/issues/83