[Bug c++/91953] New: [8/9/10 Regression] G++ rejects lambda with constexpr variable

[ostash at ostash dot kiev.ua]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91953

            Bug ID: 91953
           Summary: [8/9/10 Regression] G++ rejects lambda with constexpr
                    variable
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: ostash at ostash dot kiev.ua
  Target Milestone: ---

Hello,

Following snippet

----
#include <type_traits>

auto f = [](auto value) {
    constexpr auto i = value;
    return i;
  };

void foo()
{
   f(std::integral_constant<std::size_t, 0>{});
}

----

is rejected by G++ starting from 8.1.0. It works on GCC7, GCC6 and Clang.