diff --git a/compiler-rt/lib/hwasan/hwasan.cpp b/compiler-rt/lib/hwasan/hwasan.cpp
--- a/compiler-rt/lib/hwasan/hwasan.cpp
+++ b/compiler-rt/lib/hwasan/hwasan.cpp
@@ -574,4 +574,12 @@
   GET_FATAL_STACK_TRACE_PC_BP(StackTrace::GetCurrentPc(), GET_CURRENT_FRAME());
   stack.Print();
 }
+
+// Entry point for interoperability between __hwasan_tag_mismatch (ASM) and the
+// rest of the mismatch handling code (C++).
+void __hwasan_tag_mismatch4(uptr addr, uptr access_info, uptr *registers_frame,
+                            size_t outsize) {
+  __hwasan::HwasanTagMismatch(addr, access_info, registers_frame, outsize);
+}
+
 } // extern "C"
diff --git a/compiler-rt/lib/hwasan/hwasan_linux.cpp b/compiler-rt/lib/hwasan/hwasan_linux.cpp
--- a/compiler-rt/lib/hwasan/hwasan_linux.cpp
+++ b/compiler-rt/lib/hwasan/hwasan_linux.cpp
@@ -431,11 +431,4 @@
 
 } // namespace __hwasan
 
-// Entry point for interoperability between __hwasan_tag_mismatch (ASM) and the
-// rest of the mismatch handling code (C++).
-void __hwasan_tag_mismatch4(uptr addr, uptr access_info, uptr *registers_frame,
-                            size_t outsize) {
-  __hwasan::HwasanTagMismatch(addr, access_info, registers_frame, outsize);
-}
-
 #endif // SANITIZER_FREEBSD || SANITIZER_LINUX || SANITIZER_NETBSD