Handle synthetic nodes use to throw exceptions

pkg/compiler/lib/src/js_backend/backend_impact.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.
 
 library dart2js.js_helpers.impact;
 
 import '../common/names.dart';
 import '../compiler.dart' show Compiler;
 import '../core_types.dart' show CommonElements;
 import '../dart_types.dart' show InterfaceType;
@@ skipping 143 matching lines @@
 
   BackendImpact get asCheck {
     return _asCheck ??=
         new BackendImpact(staticUses: [helpers.throwRuntimeError]);
   }
 
   BackendImpact _throwNoSuchMethod;
 
   BackendImpact get throwNoSuchMethod {
     return _throwNoSuchMethod ??= new BackendImpact(staticUses: [
-      helpers.throwNoSuchMethod
+      helpers.throwNoSuchMethod,
+      helpers.genericNoSuchMethod, // Used by kernel.

[Siggi Cherem (dart-lang), 2016/12/02 23:44:18]

should we make this conditional?

if (compiler.options.useKernel) ...add(x,y)

[sra1, 2016/12/03 00:12:38]

Done.

+      helpers.unresolvedConstructorError, // Used by kernel.
     ], otherImpacts: [
       // Also register the types of the arguments passed to this method.
       _needsList('Needed to encode the arguments for throw NoSuchMethodError.'),
       _needsString('Needed to encode the name for throw NoSuchMethodError.')
     ]);
   }
 
   BackendImpact _stringValues;
 
   BackendImpact get stringValues {
@@ skipping 245 matching lines @@
   BackendImpact _checkedModeTypeCheck;
 
   BackendImpact get checkedModeTypeCheck {
     return _checkedModeTypeCheck ??=
         new BackendImpact(staticUses: [helpers.throwRuntimeError]);
   }
 
   BackendImpact _malformedTypeCheck;
 
   BackendImpact get malformedTypeCheck {
-    return _malformedTypeCheck ??=
-        new BackendImpact(staticUses: [helpers.throwTypeError]);
+    return _malformedTypeCheck ??= new BackendImpact(staticUses: [
+      helpers.throwTypeError,
+      helpers.malformedTypeError, // Used by kernel.
+    ]);
   }
 
   BackendImpact _genericTypeCheck;
 
   BackendImpact get genericTypeCheck {
     return _genericTypeCheck ??= new BackendImpact(staticUses: [
       helpers.checkSubtype,
       // TODO(johnniwinther): Investigate why this is needed.
       helpers.setRuntimeTypeInfo,
       helpers.getRuntimeTypeInfo
@@ skipping 259 matching lines @@
 
   BackendImpact _staticClosure;
 
   /// Backend impact for performing closurization of a top-level or static
   /// function.
   BackendImpact get staticClosure {
     return _staticClosure ??=
         new BackendImpact(globalClasses: [helpers.closureClass]);
   }
 }