update submodules
diff --git a/clang b/clang
index 339ff47..7cda475 160000
--- a/clang
+++ b/clang
@@ -1 +1 @@
-Subproject commit 339ff47af8084b99b9968f078e66f62d6adfafab
+Subproject commit 7cda4756fc9713d98fd3513b8df172700f267bad