diff --git a/libcxx/test/std/experimental/language.support/support.coroutines/end.to.end/bool_await_suspend.sh.cpp b/libcxx/test/std/experimental/language.support/support.coroutines/end.to.end/bool_await_suspend.sh.cpp
index 1e5c106a0181..06ceafa93525 100644
--- a/libcxx/test/std/experimental/language.support/support.coroutines/end.to.end/bool_await_suspend.sh.cpp
+++ b/libcxx/test/std/experimental/language.support/support.coroutines/end.to.end/bool_await_suspend.sh.cpp
@@ -11,6 +11,10 @@
 // UNSUPPORTED: c++98, c++03, c++11
 // REQUIRES: fcoroutines-ts
 
+// These configurations run the tests with '-g', which hits a bug in Clangs
+// coroutine implementation.
+// XFAIL: asan, msan, ubsan, tsan
+
 // RUN: %build -fcoroutines-ts
 // RUN: %run
 
diff --git a/libcxx/test/std/experimental/language.support/support.coroutines/end.to.end/generator.sh.cpp b/libcxx/test/std/experimental/language.support/support.coroutines/end.to.end/generator.sh.cpp
index 922b3a001e0b..f31b68ae7eb7 100644
--- a/libcxx/test/std/experimental/language.support/support.coroutines/end.to.end/generator.sh.cpp
+++ b/libcxx/test/std/experimental/language.support/support.coroutines/end.to.end/generator.sh.cpp
@@ -11,6 +11,10 @@
 // UNSUPPORTED: c++98, c++03, c++11
 // REQUIRES: fcoroutines-ts
 
+// These configurations run the tests with '-g', which hits a bug in Clangs
+// coroutine implementation.
+// XFAIL: asan, msan, ubsan, tsan
+
 // RUN: %build -fcoroutines-ts
 // RUN: %run