Comment about why we don't record evals from inner scopes in the script scope

src/ast/scopes.h

Index: src/ast/scopes.h
diff --git a/src/ast/scopes.h b/src/ast/scopes.h
index d97f6209f164c2a74ac6db0e0ed820ac2e5aeda5..bc0334027242a8274198914a87d47eae0f774841 100644
--- a/src/ast/scopes.h
+++ b/src/ast/scopes.h
@@ -199,7 +199,10 @@ class Scope: public ZoneObject {
   // Scope-specific info.
 
   // Inform the scope and outer scopes that the corresponding code contains an
-  // eval call.
+  // eval call. We don't record eval calls from innner scopes in the outer most
+  // script scope, as we only see those when parsing eagerly. If we recorded the
+  // calls then, the outer most script scope would look different depending on
+  // whether we parsed eagerly or not which is undesirable.
   void RecordEvalCall() {
     scope_calls_eval_ = true;
     inner_scope_calls_eval_ = true;