[Bug c++/102629] New: internal compiler error: tree check: expected record_type or union_type or qual_union_type, have decltype_type in lookup_base, at cp/search.c:233

[hewillk at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102629

            Bug ID: 102629
           Summary: internal compiler error: tree check: expected
                    record_type or union_type or qual_union_type, have
                    decltype_type in lookup_base, at cp/search.c:233
           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: ---

12 Regression:


#include <utility>

struct S {};

template <typename... Args>
void foo(Args&&... args) {
  [...args = std::forward<Args> /*(args)*/] {
    [](auto...) { } (std::forward<Args>(args)...);
  };
}

void bar( ) {
  foo(S{});
}

https://godbolt.org/z/WhnWTbvoj