Auto merge of rust-lang#125288 - nikic:update-llvm-18.1.6, r=cuviper

bors · bors · commit 20483b68265f · 2024-05-20T02:58:19.000Z
Update to LLVM 18.1.6 This rebases our LLVM fork on top of LLVM 18.1.6, which is planned to be the last release of the 18.x series. Fixes rust-lang#123695. Fixes rust-lang#125053. r? `@cuviper`
diff --git a/.gitmodules b/.gitmodules
@@ -33,7 +33,7 @@
 [submodule "src/llvm-project"]
 	path = src/llvm-project
 	url = https://github.com/rust-lang/llvm-project.git
-	branch = rustc/18.0-2024-02-13
+	branch = rustc/18.1-2024-05-19
 	shallow = true
 [submodule "src/doc/embedded-book"]
 	path = src/doc/embedded-book
diff --git a/src/llvm-project b/src/llvm-project
@@ -1 +1 @@
-Subproject commit 5399a24c66cb6164cf32280e7d300488c90d5765
+Subproject commit b31c30a9bb4dbbd13c359d0e2bea7f65d20adf3f
