Add AccessSemantics.INVALID for invalid expressions.

pkg/compiler/lib/src/ssa/builder.dart

Index: pkg/compiler/lib/src/ssa/builder.dart
diff --git a/pkg/compiler/lib/src/ssa/builder.dart b/pkg/compiler/lib/src/ssa/builder.dart
index e3cb4b8d7da65c624767601c97c750cc201c07c7..1655d90fdc0a2d2a0f5c2c9ff601641464fda230 100644
--- a/pkg/compiler/lib/src/ssa/builder.dart
+++ b/pkg/compiler/lib/src/ssa/builder.dart
@@ -1040,7 +1040,8 @@ class SsaBuilder extends ast.Visitor
     with BaseImplementationOfCompoundsMixin,
          SendResolverMixin,
          SemanticSendResolvedMixin,
-         NewBulkMixin
+         NewBulkMixin,
+         ErrorBulkMixin
     implements SemanticSendVisitor {
   final Compiler compiler;
   final JavaScriptBackend backend;
@@ -8276,6 +8277,12 @@ class SsaBuilder extends ast.Visitor
       _) {
     visitNode(node);
   }
+
+  @override
+  void bulkHandleError(ast.Node node, ErroneousElement error, _) {
+    // TODO(johnniwinther): Use an uncatchable error when supported.
+    generateRuntimeError(node, error.message);
+  }
 }
 
 /**