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Date: Mon, 26 Nov 2018 12:12:00 -0000
From: Jonathan Wakely <jwakely@redhat.com>
To: =?iso-8859-1?Q?Fran=E7ois?= Dumont <frs.dumont@gmail.com>
Cc: "libstdc++@gcc.gnu.org" <libstdc++@gcc.gnu.org>,	gcc-patches <gcc-patches@gcc.gnu.org>
Subject: Re: Fix hashtable memory leak
Message-ID: <20181126121233.GR28365@redhat.com>
References: <c17eccff-db0f-4f0e-0f1c-45711e124ed5@gmail.com> <bfa0fbbc-488d-864e-3fa5-3544e1482de7@gmail.com>
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On 24/11/18 22:58 +0100, François Dumont wrote:
>--- a/libstdc++-v3/testsuite/23_containers/unordered_set/allocator/move_assign.cc
>+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/allocator/move_assign.cc
>@@ -18,6 +18,8 @@
> // { dg-do run { target c++11 } }
> 
> #include <unordered_set>
>+#include <ext/throw_allocator.h>
>+
> #include <testsuite_hooks.h>
> #include <testsuite_allocator.h>
> #include <testsuite_counter_type.h>
>@@ -27,7 +29,9 @@ using __gnu_test::counter_type;
> 
> void test01()
> {
>-  typedef propagating_allocator<counter_type, false> alloc_type;
>+  {
>+    typedef propagating_allocator<counter_type, false,
>+		__gnu_cxx::throw_allocator_limit<counter_type>> alloc_type;

You don't seem to need the throw_allocator here, can't you use
__gnu_test::tracker_allocator from <testsuite_allocator.h> instead?