diff --git a/compiler-rt/test/lit.common.cfg.py b/compiler-rt/test/lit.common.cfg.py
--- a/compiler-rt/test/lit.common.cfg.py
+++ b/compiler-rt/test/lit.common.cfg.py
@@ -230,6 +230,8 @@
   if target_arch in ['x86_64', 'i386']:
     config.available_features.add('x86-target-arch')
   config.available_features.add(target_arch + '-' + config.host_os.lower())
+  if target_arch in ['arm64e']:
+    config.available_features.add('ptrauth')
 
 compiler_rt_debug = getattr(config, 'compiler_rt_debug', False)
 if not compiler_rt_debug:
diff --git a/compiler-rt/test/ubsan/TestCases/TypeCheck/vptr-ptrauth-unauthenticated.cpp b/compiler-rt/test/ubsan/TestCases/TypeCheck/vptr-ptrauth-unauthenticated.cpp
--- a/compiler-rt/test/ubsan/TestCases/TypeCheck/vptr-ptrauth-unauthenticated.cpp
+++ b/compiler-rt/test/ubsan/TestCases/TypeCheck/vptr-ptrauth-unauthenticated.cpp
@@ -4,8 +4,7 @@
 // RUN: %clangxx -frtti -fsanitize=vptr -fno-sanitize-recover=vptr -g %s -O3 -o %t
 // RUN: not %run %t 2>&1 | FileCheck %s
 
-// TODO(yln): introduce 'ptrauth' lit feature
-// REQUIRES: stable-runtime, cxxabi, arch=arm64e
+// REQUIRES: stable-runtime, cxxabi, ptrauth
 
 #include <typeinfo>
 #include <ptrauth.h>