[libcxx] XFAIL some CTAD tests on AppleClang 10

AppleClang 10 doesn't contain some changes that are required for this
test to give the right error message.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@363197 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/std/containers/associative/map/map.cons/deduct.fail.cpp b/test/std/containers/associative/map/map.cons/deduct.fail.cpp
index 9b228ed..2e719da 100644
--- a/test/std/containers/associative/map/map.cons/deduct.fail.cpp
+++ b/test/std/containers/associative/map/map.cons/deduct.fail.cpp
@@ -9,7 +9,7 @@
 // <map>
 // UNSUPPORTED: c++98, c++03, c++11, c++14
 // UNSUPPORTED: libcpp-no-deduction-guides
-// XFAIL: clang-6, apple-clang-9.0, apple-clang-9.1
+// XFAIL: clang-6, apple-clang-9.0, apple-clang-9.1, apple-clang-10.0
 //  clang-6 gives different error messages.
 
 // template<class InputIterator,
diff --git a/test/std/containers/associative/multimap/multimap.cons/deduct.fail.cpp b/test/std/containers/associative/multimap/multimap.cons/deduct.fail.cpp
index dcbec4c..70fa252 100644
--- a/test/std/containers/associative/multimap/multimap.cons/deduct.fail.cpp
+++ b/test/std/containers/associative/multimap/multimap.cons/deduct.fail.cpp
@@ -9,7 +9,7 @@
 // <map>
 // UNSUPPORTED: c++98, c++03, c++11, c++14
 // UNSUPPORTED: libcpp-no-deduction-guides
-// XFAIL: clang-6, apple-clang-9.0, apple-clang-9.1
+// XFAIL: clang-6, apple-clang-9.0, apple-clang-9.1, apple-clang-10.0
 //  clang-6 gives different error messages.
 
 // template<class InputIterator,