[compiler-rt] Test fixups for MSVC. (PR #109887)

[Charlie Barto via llvm-commits]

================
@@ -1,9 +1,9 @@
-// RUN: %clang_cl_asan %Od %p/dll_host.cpp %Fe%t
-// RUN: %clang_cl_asan -Wno-fortify-source %LD %Od %s %Fe%t.dll
+// RUN: %clang_cl_asan %Od /Oy- %p/dll_host.cpp %Fe%t
----------------
barcharcraz wrote:

I think I actually have the fixes for this in a follow-up.

I'll append that commit here and we can merge both at once if you'd like.

I could alternatively create another (stacked) PR with those changes

https://github.com/llvm/llvm-project/pull/109887