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do not ask the compiler to mangle type traits builtins #2065

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Merged
ericniebler merged 1 commit into from
May 4, 2026
Merged

do not ask the compiler to mangle type traits builtins #2065

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22 changes: 14 additions & 8 deletions include/stdexec/functional.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -160,15 +160,21 @@ namespace STDEXEC
}

template <class _Mbr, class _Class, class _Ty, class... _Args>
requires __callable<__invoke_fn_t<_Mbr, _Class, _Ty>, _Mbr _Class::*, _Ty, _Args...>
requires __callable<__mmangle_t<__invoke_fn_t, _Mbr, _Class, _Ty>,
_Mbr _Class::*,
_Ty,
_Args...>
STDEXEC_ATTRIBUTE(always_inline, host, device)
constexpr auto operator()(_Mbr _Class::*__fun, _Ty &&__ty, _Args &&...__args) const noexcept(
__nothrow_callable<__invoke_fn_t<_Mbr, _Class, _Ty>, _Mbr _Class::*, _Ty, _Args...>)
-> __call_result_t<
__mmangle_t<__invoke_fn_t, _Mbr, _Class, _Ty>, // to avoid GCC builtin mangling issues
_Mbr _Class::*,
_Ty,
_Args...>
constexpr auto operator()(_Mbr _Class::*__fun, _Ty &&__ty, _Args &&...__args) const
noexcept(__nothrow_callable<__mmangle_t<__invoke_fn_t, _Mbr, _Class, _Ty>,
_Mbr _Class::*,
_Ty,
_Args...>)
-> __call_result_t<
__mmangle_t<__invoke_fn_t, _Mbr, _Class, _Ty>, // to avoid GCC builtin mangling issues
_Mbr _Class::*,
_Ty,
_Args...>
{
return __invoke_fn_t<_Mbr, _Class, _Ty>()(__fun,
static_cast<_Ty &&>(__ty),
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