Index: compiler-rt/lib/ubsan/ubsan_type_hash_itanium.cpp
===================================================================
--- compiler-rt/lib/ubsan/ubsan_type_hash_itanium.cpp
+++ compiler-rt/lib/ubsan/ubsan_type_hash_itanium.cpp
@@ -12,7 +12,7 @@
 
 #include "sanitizer_common/sanitizer_platform.h"
 #include "ubsan_platform.h"
-#if CAN_SANITIZE_UB && !SANITIZER_WINDOWS
+#if CAN_SANITIZE_UB && !defined(_MSC_VER)
 #include "ubsan_type_hash.h"
 
 #include "sanitizer_common/sanitizer_common.h"
Index: compiler-rt/lib/ubsan/ubsan_type_hash_win.cpp
===================================================================
--- compiler-rt/lib/ubsan/ubsan_type_hash_win.cpp
+++ compiler-rt/lib/ubsan/ubsan_type_hash_win.cpp
@@ -12,7 +12,7 @@
 
 #include "sanitizer_common/sanitizer_platform.h"
 #include "ubsan_platform.h"
-#if CAN_SANITIZE_UB && SANITIZER_WINDOWS
+#if CAN_SANITIZE_UB && defined(_MSC_VER)
 #include "ubsan_type_hash.h"
 
 #include "sanitizer_common/sanitizer_common.h"