Apply transformers and other work arounds to get boostrapping to work.

pkg/front_end/test/fasta/bootstrap_test.dart

Index: pkg/front_end/test/fasta/bootstrap_test.dart
diff --git a/pkg/front_end/test/fasta/bootstrap_test.dart b/pkg/front_end/test/fasta/bootstrap_test.dart
index 40e0a16824a3c2f42ca459b9e20d56dee012caf1..39fa7f9a694d7334b21f40c5de75421c89d0e4f9 100644
--- a/pkg/front_end/test/fasta/bootstrap_test.dart
+++ b/pkg/front_end/test/fasta/bootstrap_test.dart
@@ -4,7 +4,7 @@
 
 import 'dart:async' show Future;
 
-import 'dart:io' show Directory, Platform;
+import 'dart:io' show Directory, File, Platform;
 
 import 'dart:isolate' show Isolate;
 
@@ -15,17 +15,36 @@ import 'package:front_end/src/fasta/testing/kernel_chain.dart'
 
 import 'package:testing/testing.dart' show StdioProcess;
 
+import 'package:kernel/binary/ast_from_binary.dart' show BinaryBuilder;
+
+import 'package:kernel/ast.dart' show Program;
+
+import 'package:kernel/text/ast_to_text.dart' show programToString;
+
 Future main() async {
   asyncStart();
   Uri sourceCompiler = await Isolate.resolvePackageUri(
       Uri.parse("package:front_end/src/fasta/bin/compile.dart"));
+  Uri outline = await Isolate.resolvePackageUri(
+      Uri.parse("package:front_end/src/fasta/bin/outline.dart"));
   Uri packages = await Isolate.packageConfig;
   Directory tmp = await Directory.systemTemp.createTemp("fasta_bootstrap");
   Uri compiledOnceOutput = tmp.uri.resolve("fasta1.dill");
   Uri compiledTwiceOutput = tmp.uri.resolve("fasta2.dill");
+  Uri outlineOutput = tmp.uri.resolve("outline.dill");
   try {
     await runCompiler(sourceCompiler, sourceCompiler, compiledOnceOutput);
     await runCompiler(compiledOnceOutput, sourceCompiler, compiledTwiceOutput);
+    await compare(compiledOnceOutput, compiledTwiceOutput);
+    await runCompiler(compiledTwiceOutput, outline, outlineOutput);
+    try {
+      // Test that compare actually works by comparing the compile program to
+      // the outline program (which are different, but similar).
+      await compare(compiledOnceOutput, outlineOutput, silent: true);
+      throw "Expected an error.";
+    } on ComparisonFailed {
+      // Expected.
+    }
   } finally {
     await tmp.delete(recursive: true);
   }
@@ -48,3 +67,48 @@ Future runCompiler(Uri compiler, Uri input, Uri output) async {
     throw "Compilation failed.";
   }
 }
+
+Future compare(Uri a, Uri b, {bool silent: false}) async {
+  List<int> bytesA = await new File.fromUri(a).readAsBytes();
+  List<int> bytesB = await new File.fromUri(b).readAsBytes();
+  if (bytesA.length == bytesB.length) {
+    bool same = true;
+    for (int i = 0; i < bytesA.length; i++) {
+      if (bytesA[i] != bytesB[i]) {
+        same = false;
+        break;
+      }
+    }
+    if (same) return;
+  }
+  if (!silent) {
+    print("$a is different from $b");
+  }
+  Program programA = new Program();
+  Program programB = new Program();
+  new BinaryBuilder(bytesA, a.toFilePath()).readProgram(programA);
+  new BinaryBuilder(bytesB, b.toFilePath()).readProgram(programB);
+  RegExp splitLines = new RegExp('^', multiLine: true);
+  List<String> linesA = programToString(programA).split(splitLines);
+  List<String> linesB = programToString(programB).split(splitLines);
+  for (int i = 0; i < linesA.length && i < linesB.length; i++) {
+    String lineA = linesA[i].trimRight();
+    String lineB = linesB[i].trimRight();
+    if (lineA != lineB) {
+      String diffHunk = "${i}c$i\n>$lineA\n---\n<$lineB";
+      if (!silent) {
+        print(diffHunk);
+      }
+    }
+  }
+  throw new ComparisonFailed(a, b);
+}
+
+class ComparisonFailed {
+  final Uri a;
+  final Uri b;
+
+  ComparisonFailed(this.a, this.b);
+
+  toString() => "Error: $a is different from $b";
+}