Avoid using FunctionSignature in builder_kernel

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

Index: pkg/compiler/lib/src/ssa/locals_handler.dart
diff --git a/pkg/compiler/lib/src/ssa/locals_handler.dart b/pkg/compiler/lib/src/ssa/locals_handler.dart
index dccc72ec378fc3f00e673df830ce5a2b7323f663..b4ce43f2a5455a4e2b67f2b8b0cd8307e1c7ebd0 100644
--- a/pkg/compiler/lib/src/ssa/locals_handler.dart
+++ b/pkg/compiler/lib/src/ssa/locals_handler.dart
@@ -404,7 +404,7 @@ class LocalsHandler {
 
   Local getTypeVariableAsLocal(TypeVariableType type) {
     return typeVariableLocals.putIfAbsent(type, () {
-      return new TypeVariableLocal(type, executableContext);
+      return new TypeVariableLocal(type, executableContext, memberContext);
     });
   }