Integrate LLVM at llvm/llvm-project@e51ef7f0706a

Updates LLVM usage to match
[e51ef7f0706a](https://github.com/llvm/llvm-project/commit/e51ef7f0706a)

PiperOrigin-RevId: 373772350
diff --git a/SUBMODULE_VERSIONS.txt b/SUBMODULE_VERSIONS.txt
index 1c52a50..35b6598 100644
--- a/SUBMODULE_VERSIONS.txt
+++ b/SUBMODULE_VERSIONS.txt
@@ -5,7 +5,7 @@
 b1fbd33c06cdb0024c67733c6fdec2009d17b384 third_party/googletest
 88b845dee001723c4a0db1fe5477de735b6d3bb0 third_party/liburing
 9c5ff8e6e5a2fb264a27ea7ed0e16a5b10430f36 third_party/llvm-bazel
-c82a0ae70e280c1c40b1af09ef275ddc7ed4254d third_party/llvm-project
+e51ef7f0706ada40d33819d1b3bdca2351e4fb4e third_party/llvm-project
 679d7183b657a24f48d16de1fcefb20d7cd1f6a2 third_party/mlir-emitc
 d2cc74317c312d5679cf7465e79c63349dcf5207 third_party/mlir-hlo
 2b2bd45bbf9be04fd22ece5cc1f54679202e9257 third_party/pffft
diff --git a/third_party/llvm-project b/third_party/llvm-project
index c82a0ae..e51ef7f 160000
--- a/third_party/llvm-project
+++ b/third_party/llvm-project
@@ -1 +1 @@
-Subproject commit c82a0ae70e280c1c40b1af09ef275ddc7ed4254d
+Subproject commit e51ef7f0706ada40d33819d1b3bdca2351e4fb4e