diff --git a/libcxx/test/std/language.support/support.dynamic/alloc.errors/set.new.handler/get_new_handler.pass.cpp b/libcxx/test/std/language.support/support.dynamic/alloc.errors/set.new.handler/get_new_handler.pass.cpp
--- a/libcxx/test/std/language.support/support.dynamic/alloc.errors/set.new.handler/get_new_handler.pass.cpp
+++ b/libcxx/test/std/language.support/support.dynamic/alloc.errors/set.new.handler/get_new_handler.pass.cpp
@@ -13,7 +13,7 @@
 // are provided by vcruntime/UCRT's new.h. However, that header actually only
 // declares set_new_handler - it's missing a declaration of get_new_handler.
 
-// XFAIL: msvc
+// XFAIL: msvc && stdlib=libc++
 
 #include <new>
 #include <cassert>
diff --git a/libcxx/test/std/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/copy_move.pass.cpp b/libcxx/test/std/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/copy_move.pass.cpp
--- a/libcxx/test/std/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/copy_move.pass.cpp
+++ b/libcxx/test/std/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/copy_move.pass.cpp
@@ -8,7 +8,7 @@
 
 // FIXME: In MSVC mode, even "std::function<int(int)> f(aref);" causes
 // allocations.
-// XFAIL: msvc
+// XFAIL: msvc && stdlib=libc++
 
 // <functional>