[gcc/devel/ranger] libstdc++: Fix -Wunused-parameter warning in test

[Aldy Hernandez <aldyh@gcc.gnu.org>]

https://gcc.gnu.org/g:c8d88bf26e4c4c0eeddbf6a9dc184f28d4ef85e4

commit c8d88bf26e4c4c0eeddbf6a9dc184f28d4ef85e4
Author: Jonathan Wakely <jwakely@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:
---
 libstdc++-v3/ChangeLog                                               | 5 +++++
 .../testsuite/20_util/unsynchronized_pool_resource/allocate.cc       | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index f9e4c2d87dd..cd3bbca35ba 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,8 @@
+2020-04-16  Jonathan Wakely  <jwakely@redhat.com>
+
+	* testsuite/20_util/unsynchronized_pool_resource/allocate.cc: Remove
+	name of unused parameter.
+
 2020-04-15  Jonathan Wakely  <jwakely@redhat.com>
 
 	* include/bits/fs_dir.h (file_status): Define operator== for C++20.
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; }
   };