gcc/testsuite/gfortran.dg/iso_c_binding_param_2.f90

   1 ! { dg-do compile }
   2 ! { dg-options "-O -fdump-tree-optimized" }
   3 !
   4 ! Check that the GNU additions to ISO_C_Binding are accepted
   5 !
   6 use, intrinsic :: iso_c_binding, only: c_int128_t
   7 use, intrinsic :: iso_c_binding, only: c_int_least128_t
   8 use, intrinsic :: iso_c_binding, only: c_int_fast128_t
   9 use, intrinsic :: iso_c_binding, only: c_float128
  10 use, intrinsic :: iso_c_binding, only: c_float128_complex
  11 implicit none
  12 if (c_int128_t         >= 0 .and. c_int128_t         /= 16) call unreachable()
  13 if (c_int_least128_t   >= 0 .and. c_int_least128_t   <  16) call unreachable()
  14 if (c_int_fast128_t    >= 0 .and. c_int_fast128_t    <  16) call unreachable()
  15 if (c_float128         >= 0 .and. c_float128         /= 16) call unreachable()
  16 if (c_float128_complex >= 0 .and. c_float128_complex /= 16) call unreachable()
  17 end
  18
  19 ! { dg-final { scan-tree-dump-times "unreachable" 0 "optimized" } }
  20 ! { dg-final { cleanup-tree-dump "optimized" } }