https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120139
Bug ID: 120139
Summary: -fc-prototypes emits incorrect type for arrays with
variable extents
Product: gcc
Version: 15.1.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: fortran
Assignee: unassigned at gcc dot gnu.org
Reporter: ryan.gambord at oregonstate dot edu
Target Milestone: ---
MRE comparison between 14.2 and 15.1: https://godbolt.org/z/bnrYKEv7n
The following code,
-------------------------------------
module mymod
use, intrinsic :: ISO_C_BINDING
contains
subroutine f(a, b) BIND(C)
integer(C_INT), intent(in), value :: a
integer(C_INT), intent(in) :: b(a)
end subroutine f
end module mymod
-------------------------------------
Emits,
void f (int a, const int b); /* gfortran 15.1 onward !INCORRECT */
void f (int a, const int *b); /* gfortran 14.2 */
