diff --git a/compiler-rt/lib/scudo/standalone/memtag.h b/compiler-rt/lib/scudo/standalone/memtag.h
--- a/compiler-rt/lib/scudo/standalone/memtag.h
+++ b/compiler-rt/lib/scudo/standalone/memtag.h
@@ -18,7 +18,7 @@
 
 namespace scudo {
 
-#if defined(__aarch64__) || defined(SCUDO_FUZZ)
+#if __clang_major__ >= 12 && (defined(__aarch64__) || defined(SCUDO_FUZZ))
 
 // We assume that Top-Byte Ignore is enabled if the architecture supports memory
 // tagging. Not all operating systems enable TBI, so we only claim architectural