diff --git a/contrib/ChangeLog b/contrib/ChangeLog
index ef5d6f6..233870d 100644
--- a/contrib/ChangeLog
+++ b/contrib/ChangeLog
@@ -1,3 +1,7 @@
+2012-11-12  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* gcc_update: Add libsanitizer generated files.
+
 2012-11-05  Lawrence Crowl  <crowl@google.com>

 	* compare_two_ftime_report_sets: New.
diff --git a/contrib/gcc_update b/contrib/gcc_update
index 02897ab..d9c2dfb 100755
--- a/contrib/gcc_update
+++ b/contrib/gcc_update
@@ -149,6 +149,9 @@ libatomic/Makefile.in: libatomic/Makefile.am
libatomic/aclocal.m4
 libatomic/testsuite/Makefile.in: libatomic/testsuite/Makefile.am
libatomic/aclocal.m4
 libatomic/configure: libatomic/configure.ac libatomic/aclocal.m4
 libatomic/auto-config.h.in: libatomic/configure.ac libatomic/aclocal.m4
+libsanitizer/aclocal.m4: libsanitizer/configure.ac
+libsanitizer/Makefile.in: libsanitizer/Makefile.am libsanitizer/aclocal.m4
+libsanitizer/configure: libsanitizer/configure.ac libsanitizer/aclocal.m4
 # Top level