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Date: Sun, 13 Feb 2022 16:20:18 -0500 (EST)
From: Hans-Peter Nilsson <hp@bitrange.com>
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To: Jonathan Wakely <jwakely@redhat.com>
cc: libstdc++@gcc.gnu.org, gcc-patches@gcc.gnu.org
Subject: Re: [committed] libstdc++: Fix test failures at -O0
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On Fri, 11 Feb 2022, Jonathan Wakely via Gcc-patches wrote:
> 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 c81344a20e4..25e5ce63b58 100644
> --- a/libstdc++-v3/testsuite/20_util/unsynchronized_pool_resource/allocate.cc
> +++ b/libstdc++-v3/testsuite/20_util/unsynchronized_pool_resource/allocate.cc
> @@ -281,10 +281,13 @@ test07()
>    std::pmr::unsynchronized_pool_resource upr(&cr);
>    try
>    {
> +#pragma GCC diagnostic push
> +#pragma GCC diagnostic ignored "-Walloc-size-larger-than="
>      // Try to allocate a ridiculous size (and use a large extended alignment
>      // so that careful_resource::do_allocate can distinguish this allocation
>      // from any required for the pool resource's internal data structures):
>      void* p = upr.allocate(std::size_t(-2), 1024);
> +#pragma GCC distinguish pop

Isn't it a bug that you (presumably) didn't get an error for
that misspelling?  Or a diagnostic to distinguish it?  8-}

brgds, H-P