1! { dg-do run } 2! NOT() was not return the two's complement value as reported by 3! PR fortran/25458. In checking other bit manipulation intrinsics, 4! IBSET was found to be in error. 5program chkbits 6 7 implicit none 8 9 integer(kind=1) i1 10 integer(kind=2) i2 11 integer(kind=4) i4 12 integer(kind=8) i8 13 14 i1 = ibset(huge(0_1), bit_size(i1)-1) 15 i2 = ibset(huge(0_2), bit_size(i2)-1) 16 i4 = ibset(huge(0_4), bit_size(i4)-1) 17 i8 = ibset(huge(0_8), bit_size(i8)-1) 18 if (i1 /= -1 .or. i2 /= -1 .or. i4 /= -1 .or. i8 /= -1) call abort 19 20 i1 = ibclr(-1_1, bit_size(i1)-1) 21 i2 = ibclr(-1_2, bit_size(i2)-1) 22 i4 = ibclr(-1_4, bit_size(i4)-1) 23 i8 = ibclr(-1_8, bit_size(i8)-1) 24 if (i1 /= huge(0_1) .or. i2 /= huge(0_2)) call abort 25 if (i4 /= huge(0_4) .or. i8 /= huge(0_8)) call abort 26 27 i1 = not(0_1) 28 i2 = not(0_2) 29 i4 = not(0_4) 30 i8 = not(0_8) 31 if (i1 /= -1 .or. i2 /= -1 .or. i4 /= -1 .or. i8 /= -1) call abort 32 33end program chkbits 34