Add two more wasm-related LLVM commits

diff --git a/src/llvm-project b/src/llvm-project
index a27fbee5abaee63ac45c8cb9a0c73889c3b98471..25bfc9f499dec435c8a7044b565a4bcd30d1fe00 160000 (submodule)
--- a/src/llvm-project
+++ b/src/llvm-project
@@ -1 +1 @@
-Subproject commit a27fbee5abaee63ac45c8cb9a0c73889c3b98471
+Subproject commit 25bfc9f499dec435c8a7044b565a4bcd30d1fe00