Integrate LLVM at llvm/llvm-project@8e284be04f2c

Updates LLVM usage to match
[8e284be04f2c](https://github.com/llvm/llvm-project/commit/8e284be04f2c)

PiperOrigin-RevId: 393387053
diff --git a/SUBMODULE_VERSIONS.txt b/SUBMODULE_VERSIONS.txt
index 6c22314..32ac60c 100644
--- a/SUBMODULE_VERSIONS.txt
+++ b/SUBMODULE_VERSIONS.txt
@@ -4,7 +4,7 @@
 aa533abfd4232b01f9e57041d70114d5a77e6de0 third_party/googletest
 88b845dee001723c4a0db1fe5477de735b6d3bb0 third_party/liburing
 acd6f6f014c25e46363e718381e0b35205df2d83 third_party/libyaml
-fe611b1da84b9442c093739394d336af9e99c1a1 third_party/llvm-project
+8e284be04f2cd43a821289133a759afa2844f935 third_party/llvm-project
 8e030dab5908457ad11d101886c8a57dae8c9d93 third_party/mlir-hlo
 3f701faace7addc75d16dea8a6cd769fa5b3f260 third_party/musl
 4c7697dbe973ed01ae6fbec37d186ebd05982e1f third_party/pybind11
diff --git a/third_party/llvm-project b/third_party/llvm-project
index fe611b1..8e284be 160000
--- a/third_party/llvm-project
+++ b/third_party/llvm-project
@@ -1 +1 @@
-Subproject commit fe611b1da84b9442c093739394d336af9e99c1a1
+Subproject commit 8e284be04f2cd43a821289133a759afa2844f935