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From: "hewillk at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug c++/105788] New: ICE: trying to capture 'args#0' in
 instantiation of generic lambda
Date: Tue, 31 May 2022 08:46:07 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D105788

            Bug ID: 105788
           Summary: ICE: trying to capture 'args#0' in instantiation of
                    generic lambda
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: hewillk at gmail dot com
  Target Milestone: ---

Maybe dup of PR100291, not sure.


#include <ranges>

auto f =3D [](auto... args) {
  return (std::views::transform(
    [&](auto r) {=20
      if constexpr (std::ranges::range<decltype(r)>)
        return std::views::drop(args); })
    | ...);
}(0);

auto g =3D std::views::single(std::views::iota(0, 5)) | f;

https://godbolt.org/z/PWoeEv5ME=