Integrate LLVM at llvm/llvm-project@4750a8b1bcde

Updates LLVM usage to match
[4750a8b1bcde](https://github.com/llvm/llvm-project/commit/4750a8b1bcde)

PiperOrigin-RevId: 371291231

SUBMODULE_VERSIONS.txt

diff --git a/SUBMODULE_VERSIONS.txt b/SUBMODULE_VERSIONS.txt
index 65ba759..b525068 100644
--- a/SUBMODULE_VERSIONS.txt
+++ b/SUBMODULE_VERSIONS.txt
@@ -5,7 +5,7 @@
 b1fbd33c06cdb0024c67733c6fdec2009d17b384 third_party/googletest
 88b845dee001723c4a0db1fe5477de735b6d3bb0 third_party/liburing
 52812526859e06920387e631f9b9510530883a17 third_party/llvm-bazel
-a76df78470d7994f73df0353225cbddc463cce63 third_party/llvm-project
+4750a8b1bcded31ba15d21b14530882092a9d5cc third_party/llvm-project
 679d7183b657a24f48d16de1fcefb20d7cd1f6a2 third_party/mlir-emitc
 f4414fcd666b59d3cff6737bf9587791f99e6c58 third_party/mlir-hlo
 2b2bd45bbf9be04fd22ece5cc1f54679202e9257 third_party/pffft

third_party/llvm-project

diff --git a/third_party/llvm-project b/third_party/llvm-project
index a76df78..4750a8b 160000
--- a/third_party/llvm-project
+++ b/third_party/llvm-project
@@ -1 +1 @@
-Subproject commit a76df78470d7994f73df0353225cbddc463cce63
+Subproject commit 4750a8b1bcded31ba15d21b14530882092a9d5cc