diff --git a/[refs] b/[refs]
index b8bbb9f535ac..efd8fab6fc59 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 2a5204fed0f313f9b55a7b4d5f48ca484446d095
+refs/heads/master: 77394ad6e465ee3cc3d3cf448c8500c57ced60bf
diff --git a/trunk/tools/perf/.gitignore b/trunk/tools/perf/.gitignore
index 416684be0ad3..26b823b61aa1 100644
--- a/trunk/tools/perf/.gitignore
+++ b/trunk/tools/perf/.gitignore
@@ -19,3 +19,5 @@ TAGS
 cscope*
 config.mak
 config.mak.autogen
+*-bison.*
+*-flex.*