Make sure to use the correct context for eval checks

src/builtins/builtins.cc

Index: src/builtins/builtins.cc
diff --git a/src/builtins/builtins.cc b/src/builtins/builtins.cc
index dd5b4333ce981db1cb13ae8dc6b59e7c259caa06..d5a0e17d17312dce817b53534a935a860806f5d9 100644
--- a/src/builtins/builtins.cc
+++ b/src/builtins/builtins.cc
@@ -280,13 +280,12 @@ bool Builtins::AllowDynamicFunction(Isolate* isolate, Handle<JSFunction> target,
                                     Handle<JSObject> target_global_proxy) {
   if (FLAG_allow_unsafe_function_constructor) return true;
   HandleScopeImplementer* impl = isolate->handle_scope_implementer();
-  Handle<Context> responsible_context = impl->LastEnteredContext();
+  Handle<Context> responsible_context =
+      impl->MicrotaskContextIsLastEnteredContext() ? impl->MicrotaskContext()
+                                                   : impl->LastEnteredContext();
+  // TODO(jochen): Remove this.
   if (responsible_context.is_null()) {
-    responsible_context = impl->MicrotaskContext();
-    // TODO(jochen): Remove this.
-    if (responsible_context.is_null()) {
-      return true;
-    }
+    return true;
   }
   if (*responsible_context == target->context()) return true;
   return isolate->MayAccess(responsible_context, target_global_proxy);