[clang] Headers: prefer `corecrt_malloc.h` to `malloc.h` (PR #131668)

[Saleem Abdulrasool via cfe-commits]

https://github.com/compnerd updated https://github.com/llvm/llvm-project/pull/131668

>From 8415be6e59aa2f8a23a3e484b1c8053f4d0c7206 Mon Sep 17 00:00:00 2001
From: Saleem Abdulrasool <abdulras at thebrowser.company>
Date: Mon, 17 Mar 2025 13:31:05 -0700
Subject: [PATCH] Headers: prefer `corecrt_malloc.h` to `malloc.h`

This allows us to target a lower level library (corecrt) rather than the
higher level library (ucrt) which can be helpful in modularising the
SDK.
---
 clang/lib/Headers/mm_malloc.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/clang/lib/Headers/mm_malloc.h b/clang/lib/Headers/mm_malloc.h
index d32fe59416277..addb598f62e45 100644
--- a/clang/lib/Headers/mm_malloc.h
+++ b/clang/lib/Headers/mm_malloc.h
@@ -13,7 +13,11 @@
 #include <stdlib.h>
 
 #ifdef _WIN32
-#include <malloc.h>
+# if defined(__MINGW32__)
+#   include <malloc.h>
+# else
+#   include <corecrt_malloc.h>
+# endif
 #else
 #ifndef __cplusplus
 extern int posix_memalign(void **__memptr, size_t __alignment, size_t __size);