Reapply "Use backend targets to run Kernel transformations in Fasta"

pkg/kernel/test/interpreter/suite.dart

Index: pkg/kernel/test/interpreter/suite.dart
diff --git a/pkg/kernel/test/interpreter/suite.dart b/pkg/kernel/test/interpreter/suite.dart
index 5ad53aac824317edc178270d42282f40eae039d8..cba9b0b967db165ee5f3e599bedc1001ad142c16 100644
--- a/pkg/kernel/test/interpreter/suite.dart
+++ b/pkg/kernel/test/interpreter/suite.dart
@@ -35,6 +35,8 @@ import 'package:front_end/src/fasta/testing/patched_sdk_location.dart';
 
 import 'package:kernel/kernel.dart' show loadProgramFromBinary;
 
+import 'package:kernel/target/targets.dart' show TargetFlags;
+
 import 'package:kernel/interpreter/interpreter.dart';
 
 const String STRONG_MODE = " strong mode ";
@@ -80,11 +82,13 @@ class FastaCompile extends Step<TestDescription, Program, InterpreterContext> {
       TestDescription description, InterpreterContext context) async {
     Program platform = await context.loadPlatform();
     Ticker ticker = new Ticker();
-    DillTarget dillTarget = new DillTarget(ticker, context.uriTranslator, "vm");
+    DillTarget dillTarget = new DillTarget(
+        ticker, context.uriTranslator, "vm_fasta",
+        flags: new TargetFlags(strongMode: context.strongMode));
     platform.unbindCanonicalNames();
     dillTarget.loader.appendLibraries(platform);
-    KernelTarget sourceTarget = new KernelTarget(PhysicalFileSystem.instance,
-        dillTarget, context.uriTranslator, context.strongMode);
+    KernelTarget sourceTarget = new KernelTarget(
+        PhysicalFileSystem.instance, dillTarget, context.uriTranslator);
 
     Program p;
     try {