https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93275
--- Comment #1 from ahmet özhan <tahasuf at gmail dot com> ---
<source>: In substitution of 'template<class T, long unsigned int N>
template<class Other, typename std::enable_if<(array_depth_v<math::array<T, N>
> > array_depth_v<Other>), std::nullptr_t>::type <anonymous> > constexpr
math::array<T, N> math::array<T, N>::operator*(const Other&) const [with Other
= <missing>; typename std::enable_if<(array_depth_v<math::array<T, N> > >
array_depth_v<Other>), std::nullptr_t>::type <anonymous> = <missing>; T =
float; long unsigned int N = <missing>]':
<source>:56:36: required from 'constexpr math::array<T, N> math::array<T,
N>::operator*(const Other&) const [with Other = float; typename
std::enable_if<(array_depth_v<math::array<T, N> > > array_depth_v<Other>),
std::nullptr_t>::type <anonymous> = nullptr; T = math::array<float, 4>; long
unsigned int N = 1]'
<source>:79:20: required from here
<source>:48:5: internal compiler error: unexpected expression 'N' of kind
template_parm_index
48 | (array_depth_v<array> > array_depth_v<Other>),
| ^~~~~~~~~~~~~~~~~~~~
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