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! PR 25577

! MVBITS didn't work correctly for integer types wider than a C int

! The testcase is based on the one Dale Ranta posted in the bug report

implicit none

integer(1) i1,j1

integer(2) i2,j2

integer(4) i4,j4

integer(8) i8,j8

integer ibits,n

ibits=bit_size(1_1)

do n=1,ibits

   i1=-1

   call mvbits(1_1, 0,n,i1,0)

   j1=-1-2_1**n+2

   if(i1.ne.j1)call abort

enddo

ibits=bit_size(1_2)

do n=1,ibits

   i2=-1

   call mvbits(1_2, 0,n,i2,0)

   j2=-1-2_2**n+2

   if(i2.ne.j2)call abort

enddo

ibits=bit_size(1_4)

do n=1,ibits

   i4=-1

   call mvbits(1_4, 0,n,i4,0)

   j4=-1-2_4**n+2

   if(i4.ne.j4)call abort

enddo

ibits=bit_size(1_8)

do n=1,ibits

   i8=-1

   call mvbits(1_8, 0,n,i8,0)

   j8=-1-2_8**n+2

   if(i8.ne.j8)call abort

enddo

end