Rwind LLVM

diff --git a/src/llvm b/src/llvm
index 168f91ce5cbf8933e47f339911f0f46a48714852..874dc4ee4cb782056469f003831bcda3e4cdf0df 160000 (submodule)
--- a/src/llvm
+++ b/src/llvm
@@ -1 +1 @@
-Subproject commit 168f91ce5cbf8933e47f339911f0f46a48714852
+Subproject commit 874dc4ee4cb782056469f003831bcda3e4cdf0df