On Mon, 12 Sept 2022 at 18:40, Patrick Palka via Libstdc++
<libstd...@gcc.gnu.org> wrote:
>
> I noticed compiling e.g. std/ranges/adaptors/join.cc with
> -D_GLIBCXX_DEBUG -Wsystem-headers -Wall gives the warning:
>
>   gcc/libstdc++-v3/include/debug/safe_iterator.h:477:9: warning: suggest 
> parentheses around ‘&&’ within ‘||’ [-Wparentheses]
>
> Tested on x86_64-pc-linux-gnu, does this look OK for trunk?

OK, thanks.


>
> libstdc++-v3/ChangeLog:
>
>         * include/debug/safe_iterator.h (_GLIBCXX_DEBUG_VERIFY_OPERANDS):
>         Add parentheses to squelch -Wparentheses.
> ---
>  libstdc++-v3/include/debug/safe_iterator.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/libstdc++-v3/include/debug/safe_iterator.h 
> b/libstdc++-v3/include/debug/safe_iterator.h
> index 33f7a86478a..117dc93de60 100644
> --- a/libstdc++-v3/include/debug/safe_iterator.h
> +++ b/libstdc++-v3/include/debug/safe_iterator.h
> @@ -40,7 +40,7 @@
>  #endif
>
>  #define _GLIBCXX_DEBUG_VERIFY_OPERANDS(_Lhs, _Rhs, _BadMsgId, _DiffMsgId) \
> -  _GLIBCXX_DEBUG_VERIFY(!_Lhs._M_singular() && !_Rhs._M_singular()     \
> +  _GLIBCXX_DEBUG_VERIFY((!_Lhs._M_singular() && !_Rhs._M_singular())   \
>                         || (_Lhs._M_value_initialized()                 \
>                             && _Rhs._M_value_initialized()),            \
>                         _M_message(_BadMsgId)                           \
> --
> 2.37.3.542.gdd3f6c4cae
>

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