Generate tear-off closures dynamically.

dart/sdk/lib/_internal/compiler/implementation/compiler.dart

Index: dart/sdk/lib/_internal/compiler/implementation/compiler.dart
diff --git a/dart/sdk/lib/_internal/compiler/implementation/compiler.dart b/dart/sdk/lib/_internal/compiler/implementation/compiler.dart
index ecfe995aef66d5278c11489646758458f43ec760..46bd5a6de28bf5d5b026feda90ede16ddbd9e2f3 100644
--- a/dart/sdk/lib/_internal/compiler/implementation/compiler.dart
+++ b/dart/sdk/lib/_internal/compiler/implementation/compiler.dart
@@ -513,7 +513,7 @@ abstract class Compiler implements DiagnosticListener {
         pleaseReportCrash(s, 'The compiler crashed: $message.');
       }
       hasCrashed = true;
-      throw new CompilerCancelledException('The compiler crashed.');
+      rethrow;
     } on CompilerCancelledException catch (ex) {
       rethrow;
     } on StackOverflowError catch (ex) {
@@ -528,7 +528,7 @@ abstract class Compiler implements DiagnosticListener {
       } catch (doubleFault) {
         // Ignoring exceptions in exception handling.
       }
-      throw new CompilerCancelledException(message);
+      rethrow;
     } finally {
       _currentElement = old;
     }
@@ -715,12 +715,6 @@ abstract class Compiler implements DiagnosticListener {
 
   void pleaseReportCrash(StackTrace stackTrace, String message) {
     print(MessageKind.PLEASE_REPORT_THE_CRASH.message({'buildId': buildId}));
-    if (message != null) {
-      print(message);
-    }
-    if (stackTrace != null) {
-      print(stackTrace);
-    }
   }
 
   void cancel(String reason, {Node node, Token token,
@@ -775,7 +769,7 @@ abstract class Compiler implements DiagnosticListener {
     totalCompileTime.start();
 
     return new Future.sync(() => runCompiler(uri)).catchError((error, trace) {
-      if (error is CompilerCancelledException) {
+      if (!hasCrashed && error is CompilerCancelledException) {
         log('Error: $error');
         return false;
       }