[committed] libstdc++: Fix -Wunused-parameter warning in test

[Jonathan Wakely via Gcc-patches]

        * testsuite/20_util/unsynchronized_pool_resource/allocate.cc: Remove
        name of unused parameter.

Not an important change, just a tiny clean-up.

Tested x86_64-linux and committed to master.


commit c8d88bf26e4c4c0eeddbf6a9dc184f28d4ef85e4
Author: Jonathan Wakely <jwak...@redhat.com>
Date:   Thu Apr 16 08:44:10 2020 +0100

    libstdc++: Fix -Wunused-parameter warning in test
    
            * testsuite/20_util/unsynchronized_pool_resource/allocate.cc: Remove
            name of unused parameter.

diff --git 
a/libstdc++-v3/testsuite/20_util/unsynchronized_pool_resource/allocate.cc 
b/libstdc++-v3/testsuite/20_util/unsynchronized_pool_resource/allocate.cc
index b3bb955db7c..5bf20cf262c 100644
--- a/libstdc++-v3/testsuite/20_util/unsynchronized_pool_resource/allocate.cc
+++ b/libstdc++-v3/testsuite/20_util/unsynchronized_pool_resource/allocate.cc
@@ -197,7 +197,7 @@ test06()
     void do_deallocate(void* p, std::size_t bytes, std::size_t align)
     { std::pmr::new_delete_resource()->deallocate(p, bytes, align); }
 
-    bool do_is_equal(const memory_resource& r) const noexcept
+    bool do_is_equal(const memory_resource&) const noexcept
     { return false; }
   };