I agree it’s surprising, but it is consistent with the first two examples of the overloaded asterisk in the code
program test23stars
character:: b,c,d='?'
integer j,k,n(2)
data j,k/2*0/ ! repeated value in data (3)
call input(n,'2*4',b,c,d,*666)! repeated value in list-directed input,
C ! alternate return
...
at