[PATCH] libstdc++: Remove unnecessary code from reduce implementation

[Matthias Kretz]

Matthias Kretz [Thursday, 2 July 2026, 13:44:37 CEST]:
> diff --git a/libstdc++-v3/include/bits/simd_vec.h
> b/libstdc++-v3/include/bits/ simd_vec.h
> index bf6616df227..54c1502b23b 100644
> --- a/libstdc++-v3/include/bits/simd_vec.h
> +++ b/libstdc++-v3/include/bits/simd_vec.h
> @@ -449,29 +449,6 @@ _M_elements_shifted_to_front() const
>  	  static_assert(_Shift < _S_size && -_Shift < _S_size);
>  	  if constexpr (_Shift == 0)
>  	    return *this;

I just realized I want an 'else' right here.

>  	  return _S_static_permute(*this, [](int __i) consteval {
>  		   int __off = __i + _Shift;
>  		   return __off >= _S_size || __off < 0 ? zero_element :
> __off;

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 Dr. Matthias Kretz                           https://mattkretz.github.io
 GSI Helmholtz Center for Heavy Ion Research               https://gsi.de
 std::simd
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