update llvm backend (runtimeverification#671)

dwightguth · web-flow · commit b81cf3990cd1 · 2019-08-06T17:27:27.000-04:00
diff --git a/llvm-backend/src/main/native/llvm-backend b/llvm-backend/src/main/native/llvm-backend
@@ -1 +1 @@
-Subproject commit 783dd766545f5602b20efa6459f671d79d4dbc74
+Subproject commit ba6b1737674b2fc458738710a1a5cc5bd123efab
