diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index afa928b0fea..5c7cbdbcaa1 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,5 +1,12 @@
 2018-08-23  Jonathan Wakely  <jwakely@redhat.com>
 
+	* testsuite/21_strings/basic_string/init-list.cc:
+	Require cxx11-abi.
+	* testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc:
+	Likewise.
+	* testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
+	Likewise.
+
 	* testsuite/23_containers/deque/capacity/max_size.cc: Fix test for
 	C++98 mode.
 	* testsuite/23_containers/deque/modifiers/assign/1.cc: Likewise.
diff --git a/libstdc++-v3/testsuite/21_strings/basic_string/init-list.cc b/libstdc++-v3/testsuite/21_strings/basic_string/init-list.cc
index aa7754821b9..20a392c40fc 100644
--- a/libstdc++-v3/testsuite/21_strings/basic_string/init-list.cc
+++ b/libstdc++-v3/testsuite/21_strings/basic_string/init-list.cc
@@ -17,6 +17,7 @@
 //
 
 // { dg-do run { target c++11 } }
+// { dg-require-effective-target cxx11-abi }
 
 #include <testsuite_hooks.h>
 
diff --git a/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc b/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc
index c237f1e9de9..8f5f8513403 100644
--- a/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc
+++ b/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc
@@ -16,6 +16,7 @@
 // <http://www.gnu.org/licenses/>.
 
 // { dg-do compile { target c++14 } }
+// { dg-require-effective-target cxx11-abi }
 
 #include <experimental/regex>
 
diff --git a/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc b/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc
index 3cf8c94cfb1..ed53ce1a89b 100644
--- a/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc
+++ b/libstdc++-v3/testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc
@@ -16,6 +16,7 @@
 // <http://www.gnu.org/licenses/>.
 
 // { dg-do compile { target c++14 } }
+// { dg-require-effective-target cxx11-abi }
 
 #include <experimental/string>