diff --git a/[refs] b/[refs]
index c7c90a42e185..20b4c497256f 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d3d1f61acf62204bb7b2b4509329247bffaedd7c
+refs/heads/master: 2381da7a11ef5fcfbad1f1ca2f6ddaa7a153694f
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.*