This one was challenging to even describe. This ICE occurs with gfortran
12, 13, 14, and 15.
% cat all.f90
module subdomain_m
implicit none
type subdomain_t
real :: s_ = 0.
contains
generic :: operator(.laplacian.) => laplacian
procedure laplacian
end type
contains
function laplacian(rhs)
class(subdomain_t), intent(in) :: rhs
type(subdomain_t) laplacian
end function
end module
use subdomain_m
implicit none
type operands_t
end type
type(subdomain_t) phi
type(operands_t) operands
associate(laplacian_phi => .laplacian. phi)
operands = approximates(laplacian_phi%s_)
end associate
contains
function approximates(actual)
real actual
type(operands_t) approximates
end function
end
% gfortran all.f90
f951: internal compiler error: in matching_typebound_op, at
fortran/interface.cc:4763
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
See <https://github.com/Homebrew/homebrew-core/issues> for instructions.
% gfortran --version
GNU Fortran (Homebrew GCC 15.1.0) 15.1.0
