Enable lazy compilation for non-trivial outer contexts.

src/scopes.h

Index: src/scopes.h
diff --git a/src/scopes.h b/src/scopes.h
index decd74d23275fdbaed92c6b35b94e1de9ae2e968..53d5894a6bc6e3b0781ab1ce846c49567ab808f0 100644
--- a/src/scopes.h
+++ b/src/scopes.h
@@ -374,6 +374,9 @@ class Scope: public ZoneObject {
   // Determine if we can use lazy compilation for this scope.
   bool AllowsLazyCompilation() const;
 
+  // Determine if we can use lazy compilation for this scope without a context.
+  bool AllowsLazyCompilationWithoutContext() const;
+
   // True if we can lazily recompile functions with this scope.
   bool AllowsLazyRecompilation() const;