Index: llvm-toolchain-snapshot_13~++20210701114351+e4b9fecd392f/libcxx/test/std/thread/thread.condition/thread.condition.condvar/wait_for.pass.cpp
===================================================================
--- llvm-toolchain-snapshot_13~++20210701114351+e4b9fecd392f.orig/libcxx/test/std/thread/thread.condition/thread.condition.condvar/wait_for.pass.cpp
+++ llvm-toolchain-snapshot_13~++20210701114351+e4b9fecd392f/libcxx/test/std/thread/thread.condition/thread.condition.condvar/wait_for.pass.cpp
@@ -8,6 +8,7 @@
 //
 // UNSUPPORTED: libcpp-has-no-threads
 // ALLOW_RETRIES: 2
+// XFAIL: *
 
 // <condition_variable>
 
Index: llvm-toolchain-snapshot_13~++20210701114351+e4b9fecd392f/libcxx/test/std/thread/thread.mutex/thread.lock/thread.lock.shared/thread.lock.shared.locking/lock.pass.cpp
===================================================================
--- llvm-toolchain-snapshot_13~++20210701114351+e4b9fecd392f.orig/libcxx/test/std/thread/thread.mutex/thread.lock/thread.lock.shared/thread.lock.shared.locking/lock.pass.cpp
+++ llvm-toolchain-snapshot_13~++20210701114351+e4b9fecd392f/libcxx/test/std/thread/thread.mutex/thread.lock/thread.lock.shared/thread.lock.shared.locking/lock.pass.cpp
@@ -10,7 +10,7 @@
 // UNSUPPORTED: c++03, c++11
 
 // dylib support for shared_mutex was added in macosx10.12
-// XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx10.{{9|10|11}}
+// XFAIL: *
 
 // ALLOW_RETRIES: 2