1! { dg-do run }
2! { dg-require-effective-target fortran_large_int }
3
4  integer(kind=16) :: i16
5
6  i16 = -1
7  if (leadz(i16) /= 0) call abort
8  if (trailz(i16) /= 0) call abort
9  if (leadz(-1_16) /= 0) call abort
10  if (trailz(-1_16) /= 0) call abort
11
12  i16 = -64
13  if (leadz(i16) /= 0) call abort
14  if (trailz(i16) /= 6) call abort
15  if (leadz(-64_16) /= 0) call abort
16  if (trailz(-64_16) /= 6) call abort
17
18  i16 = -108
19  if (leadz(i16) /= 0) call abort
20  if (trailz(i16) /= 2) call abort
21  if (leadz(-108_16) /= 0) call abort
22  if (trailz(-108_16) /= 2) call abort
23
24  i16 = 1
25  if (leadz(i16) /= bit_size(i16) - 1) call abort
26  if (trailz(i16) /= 0) call abort
27  if (leadz(1_16) /= bit_size(1_16) - 1) call abort
28  if (trailz(1_16) /= 0) call abort
29
30  i16 = 64
31  if (leadz(i16) /= 121) call abort
32  if (trailz(i16) /= 6) call abort
33  if (leadz(64_16) /= 121) call abort
34  if (trailz(64_16) /= 6) call abort
35
36end
37