Update LLVM submodule a bit further

alexcrichton · alexcrichton · commit 93cfb2abfd22 · 2018-02-28T13:21:14.000-08:00
diff --git a/src/llvm b/src/llvm
@@ -1 +1 @@
-Subproject commit 5c6b7fea4a302261f18b1cc6ea22b2a9eec2abd9
+Subproject commit ba2edd794c7def715007931fcd1b4ce62aa711c8
