Auto merge of rust-lang#141063 - dianqk:llvm-20.1.5, r=cuviper

bors · bors · commit ae3b909a323a · 2025-05-18T04:54:07.000Z
Update to LLVM 20.1.5

`@rustbot` label A-LLVM T-compiler
diff --git a/src/llvm-project b/src/llvm-project
@@ -1 +1 @@
-Subproject commit 8448283b4bd34ea00d76fd4f18ec730b549d6e1d
+Subproject commit c1118fdbb3024157df7f4cfe765f2b0b4339e8a2
