Integrate LLVM at llvm/llvm-project@b927aa69bf2f

Updates LLVM usage to match
[b927aa69bf2f](https://github.com/llvm/llvm-project/commit/b927aa69bf2f)

PiperOrigin-RevId: 412442494
Change-Id: I1ae8a08b53f36f90c63ffdc6bdd0f4a625c5e7b8
diff --git a/third_party/llvm/workspace.bzl b/third_party/llvm/workspace.bzl
index 45c06a3..e790fa9 100644
--- a/third_party/llvm/workspace.bzl
+++ b/third_party/llvm/workspace.bzl
@@ -4,8 +4,8 @@
 
 def repo(name):
     """Imports LLVM."""
-    LLVM_COMMIT = "259cd6f89377fdc17aabd381204c5bfe2ce15209"
-    LLVM_SHA256 = "b637efa43d332a3e05831d1cc7729c3235b7b7ee89c4191974c50a5d8d3ae13a"
+    LLVM_COMMIT = "b927aa69bf2fd50ecf33e3f5ec853eb3c70312c5"
+    LLVM_SHA256 = "0b7e47bd9a62b7c14d6f4c4b1cf8fdb2fba5996e6b24917deb07d9f636f7ce36"
 
     tf_http_archive(
         name = name,