1! { dg-do run }
2! { dg-options "-Wreturn-type" }
3! PR fortran/33941
4! The problem was that the intrinsic operators
5! were written to the module file as '/=' etc.
6! but this format was not understood on reading.
7!
8! Test case by Toby White, stripped down by
9! Dominique d'Humieres and Francois-Xavier Coudert
10
11module foo
12contains
13  function pop(n) result(item)          ! { dg-warning "not set" }
14    integer :: n
15    character(len=merge(1, 0, n > 0)) :: item
16  end function pop
17  function push(n) result(item)         ! { dg-warning "not set" }
18    integer :: n
19    character(len=merge(1, 0, n /= 0)) :: item
20  end function push
21end module foo
22
23program test
24  use foo
25  if(len(pop(0)) /= 0) call abort()
26  if(len(pop(1)) /= 1) call abort()
27  if(len(push(0)) /= 0) call abort()
28  if(len(push(1)) /= 1) call abort()
29end program
30