From 0e24f97b9f75cd20622e5269a4b95e2347188119 Mon Sep 17 00:00:00 2001
From: kailiu <hfevers@gmail.com>
Date: Thu, 12 Dec 2013 15:40:44 -0800
Subject: [PATCH] Revert last commit and add "unused" attribute to suppress
 warning

---
 db/db_test.cc | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/db/db_test.cc b/db/db_test.cc
index a8d71e2f8..918126bbe 100644
--- a/db/db_test.cc
+++ b/db/db_test.cc
@@ -2596,7 +2596,6 @@ class ChangeFilter : public CompactionFilter {
                       const Slice& value, std::string* new_value,
                       bool* value_changed) const override {
     assert(argv_ == 100);
-    argv_ = argv_ + 0;
     assert(new_value != nullptr);
     *new_value = NEW_VALUE;
     *value_changed = true;
@@ -2608,7 +2607,7 @@ class ChangeFilter : public CompactionFilter {
   }
 
  private:
-  const int argv_;
+  const int __attribute__((unused)) argv_;
 };
 
 class KeepFilterFactory : public CompactionFilterFactory {