update submodules
diff --git a/llvm b/llvm
index fa55abb..bb3c660 160000
--- a/llvm
+++ b/llvm
@@ -1 +1 @@
-Subproject commit fa55abb96d2302b03f1fc2ef04c9fb2cb10cd42d
+Subproject commit bb3c660e87f59abb665570a31b01ab125ec4c10e