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pkg/front_end/lib/src/fasta/kernel/kernel_target.dart

Index: pkg/front_end/lib/src/fasta/kernel/kernel_target.dart
diff --git a/pkg/front_end/lib/src/fasta/kernel/kernel_target.dart b/pkg/front_end/lib/src/fasta/kernel/kernel_target.dart
index 8930c17fd8ac9326a0d919f84972f5d9a78239b9..f291d86947e393c5233bb414dbfdbc5a3255cb86 100644
--- a/pkg/front_end/lib/src/fasta/kernel/kernel_target.dart
+++ b/pkg/front_end/lib/src/fasta/kernel/kernel_target.dart
@@ -15,6 +15,7 @@ import 'package:kernel/ast.dart'
         Class,
         Constructor,
         DartType,
+        DynamicType,
         EmptyStatement,
         Expression,
         ExpressionStatement,
@@ -220,6 +221,7 @@ class KernelTarget extends TargetImplementation {
     if (loader.first == null) return null;
     try {
       await loader.buildOutlines();
+      loader.coreLibrary.becomeCoreLibrary(const DynamicType(), const VoidType());
       loader.resolveParts();
       loader.computeLibraryScopes();
       loader.resolveTypes();