Add AccessSemantics.INVALID for invalid expressions.

pkg/compiler/lib/src/resolution/semantic_visitor_mixins.dart

Index: pkg/compiler/lib/src/resolution/semantic_visitor_mixins.dart
diff --git a/pkg/compiler/lib/src/resolution/semantic_visitor_mixins.dart b/pkg/compiler/lib/src/resolution/semantic_visitor_mixins.dart
index c1dfa54dde9132f4e705441e8b10f1e857e8cdc7..517eafcae6781ed3c564513eff1fd87b9ae5ce0c 100644
--- a/pkg/compiler/lib/src/resolution/semantic_visitor_mixins.dart
+++ b/pkg/compiler/lib/src/resolution/semantic_visitor_mixins.dart
@@ -20,7 +20,9 @@ abstract class BulkHandle<R, A> {
 abstract class ErrorBulkMixin<R, A>
     implements SemanticSendVisitor<R, A>, BulkHandle<R, A> {
 
-  R bulkHandleError(Node node, A arg) {
+  // TODO(johnniwinther): Ensure that all error methods have an
+  // [ErroneousElement].
+  R bulkHandleError(Node node, ErroneousElement error, A arg) {
     return bulkHandleNode(node, "Error expression `#` unhandled.", arg);
   }
 
@@ -29,7 +31,7 @@ abstract class ErrorBulkMixin<R, A>
       Send node,
       NodeList arguments,
       A arg) {
-    return bulkHandleError(node, arg);
+    return bulkHandleError(node, null, arg);
   }
 
   @override
@@ -40,7 +42,7 @@ abstract class ErrorBulkMixin<R, A>
       NodeList arguments,
       CallStructure callStructure,
       A arg) {
-    return bulkHandleError(node, arg);
+    return bulkHandleError(node, null, arg);
   }
 
   @override
@@ -49,7 +51,7 @@ abstract class ErrorBulkMixin<R, A>
       Operator operator,
       Node expression,
       A arg) {
-    return bulkHandleError(node, arg);
+    return bulkHandleError(node, null, arg);
   }
 
   @override
@@ -59,7 +61,62 @@ abstract class ErrorBulkMixin<R, A>
       Operator operator,
       Node right,
       A arg) {
-    return bulkHandleError(node, arg);
+    return bulkHandleError(node, null, arg);
+  }
+
+  @override
+  R errorInvalidCompound(
+      Send node,
+      ErroneousElement error,
+      AssignmentOperator operator,
+      Node rhs,
+      A arg) {
+    return bulkHandleError(node, error, arg);
+  }
+
+  @override
+  R errorInvalidGet(
+      Send node,
+      ErroneousElement error,
+      A arg) {
+    return bulkHandleError(node, error, arg);
+  }
+
+  @override
+  R errorInvalidInvoke(
+      Send node,
+      ErroneousElement error,
+      NodeList arguments,
+      Selector selector,
+      A arg) {
+    return bulkHandleError(node, error, arg);
+  }
+
+  @override
+  R errorInvalidPostfix(
+      Send node,
+      ErroneousElement error,
+      IncDecOperator operator,
+      A arg) {
+    return bulkHandleError(node, error, arg);
+  }
+
+  @override
+  R errorInvalidPrefix(
+      Send node,
+      ErroneousElement error,
+      IncDecOperator operator,
+      A arg) {
+    return bulkHandleError(node, error, arg);
+  }
+
+  @override
+  R errorInvalidSet(
+      Send node,
+      ErroneousElement error,
+      Node rhs,
+      A arg) {
+    return bulkHandleError(node, error, arg);
   }
 }
 
@@ -3534,6 +3591,64 @@ class TraversalSendMixin<R, A> implements SemanticSendVisitor<R, A> {
   }
 
   @override
+  R errorInvalidCompound(
+      Send node,
+      ErroneousElement error,
+      AssignmentOperator operator,
+      Node rhs,
+      A arg) {
+    apply(rhs, arg);
+    return null;
+  }
+
+  @override
+  R errorInvalidGet(
+      Send node,
+      ErroneousElement error,
+      A arg) {
+    return null;
+  }
+
+  @override
+  R errorInvalidInvoke(
+      Send node,
+      ErroneousElement error,
+      NodeList arguments,
+      Selector selector,
+      A arg) {
+    apply(arguments, arg);
+    return null;
+  }
+
+  @override
+  R errorInvalidPostfix(
+      Send node,
+      ErroneousElement error,
+      IncDecOperator operator,
+      A arg) {
+    return null;
+  }
+
+  @override
+  R errorInvalidPrefix(
+      Send node,
+      ErroneousElement error,
+      IncDecOperator operator,
+      A arg) {
+    return null;
+  }
+
+  @override
+  R errorInvalidSet(
+      Send node,
+      ErroneousElement error,
+      Node rhs,
+      A arg) {
+    apply(rhs, arg);
+    return null;
+  }
+
+  @override
   R visitClassTypeLiteralSet(
       SendSet node,
       ConstantExpression constant,