[gcc r11-5982] libstdc++: Fix several _GLIBCXX_DEBUG tests

[Franथईois Dumont]

https://gcc.gnu.org/g:8e56e4d9566ce99707befa88bf4d11c74ec45c10

commit r11-5982-g8e56e4d9566ce99707befa88bf4d11c74ec45c10
Author: François Dumont <fdumont@gcc.gnu.org>
Date:   Sat Dec 12 18:02:47 2020 +0100

    libstdc++: Fix several _GLIBCXX_DEBUG tests
    
    libstdc++-v3/ChangeLog:
    
            * testsuite/23_containers/array/debug/back2_neg.cc: target c++14 because assertion
            for constexpr is disabled in C++11.
            * testsuite/23_containers/array/debug/front2_neg.cc: Likewise.
            * testsuite/23_containers/array/debug/square_brackets_operator2_neg.cc: Likewise.
            * testsuite/23_containers/vector/debug/multithreaded_swap.cc: Include <memory>
            for shared_ptr.

Diff:
---
 libstdc++-v3/testsuite/23_containers/array/debug/back2_neg.cc           | 2 +-
 libstdc++-v3/testsuite/23_containers/array/debug/front2_neg.cc          | 2 +-
 .../23_containers/array/debug/square_brackets_operator2_neg.cc          | 2 +-
 libstdc++-v3/testsuite/23_containers/vector/debug/multithreaded_swap.cc | 1 +
 4 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/libstdc++-v3/testsuite/23_containers/array/debug/back2_neg.cc b/libstdc++-v3/testsuite/23_containers/array/debug/back2_neg.cc
index b14a3ec8c04..0066c671c42 100644
--- a/libstdc++-v3/testsuite/23_containers/array/debug/back2_neg.cc
+++ b/libstdc++-v3/testsuite/23_containers/array/debug/back2_neg.cc
@@ -16,7 +16,7 @@
 // <http://www.gnu.org/licenses/>.
 //
 // { dg-options "-D_GLIBCXX_ASSERTIONS" }
-// { dg-do run { target c++11 xfail *-*-* } }
+// { dg-do run { target c++14 xfail *-*-* } }
 
 #include <array>
 
diff --git a/libstdc++-v3/testsuite/23_containers/array/debug/front2_neg.cc b/libstdc++-v3/testsuite/23_containers/array/debug/front2_neg.cc
index e099e6eb46b..a6118cfce3a 100644
--- a/libstdc++-v3/testsuite/23_containers/array/debug/front2_neg.cc
+++ b/libstdc++-v3/testsuite/23_containers/array/debug/front2_neg.cc
@@ -16,7 +16,7 @@
 // <http://www.gnu.org/licenses/>.
 //
 // { dg-options "-D_GLIBCXX_ASSERTIONS" }
-// { dg-do run { target c++11 xfail *-*-* } }
+// { dg-do run { target c++14 xfail *-*-* } }
 
 #include <array>
 
diff --git a/libstdc++-v3/testsuite/23_containers/array/debug/square_brackets_operator2_neg.cc b/libstdc++-v3/testsuite/23_containers/array/debug/square_brackets_operator2_neg.cc
index 4e93c8a7d68..efb28d715e9 100644
--- a/libstdc++-v3/testsuite/23_containers/array/debug/square_brackets_operator2_neg.cc
+++ b/libstdc++-v3/testsuite/23_containers/array/debug/square_brackets_operator2_neg.cc
@@ -16,7 +16,7 @@
 // <http://www.gnu.org/licenses/>.
 //
 // { dg-options "-D_GLIBCXX_ASSERTIONS" }
-// { dg-do run { target c++11 xfail *-*-* } }
+// { dg-do run { target c++14 xfail *-*-* } }
 
 #include <array>
 
diff --git a/libstdc++-v3/testsuite/23_containers/vector/debug/multithreaded_swap.cc b/libstdc++-v3/testsuite/23_containers/vector/debug/multithreaded_swap.cc
index 0d795147644..a0050ec764c 100644
--- a/libstdc++-v3/testsuite/23_containers/vector/debug/multithreaded_swap.cc
+++ b/libstdc++-v3/testsuite/23_containers/vector/debug/multithreaded_swap.cc
@@ -26,6 +26,7 @@
 // mode as it requires acquiring 2 locks at the same time.
 
 #include <vector>
+#include <memory>
 #include <thread>
 #include <functional>
 #include <testsuite_hooks.h>