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! { dg-do run }
! { dg-options "-O -fdump-tree-original" }
! Check that trailing trims are also removed from assignment of
! expressions involving concatenations of strings .
program main
character(2) :: a,b,c
character(8) :: d
a = 'a '
b = 'b '
c = 'c '
d = a // b // a // trim(c) ! This should be optimized away.
if (d /= 'a b a c ') STOP 1
d = a // trim(b) // c // a ! This shouldn't.
if (d /= 'a bc a ') STOP 2
d = a // b // a // trim(trim(c)) ! This should also be optimized away.
if (d /= 'a b a c ') STOP 3
end
! { dg-final { scan-tree-dump-times "string_len_trim" 1 "original" } }
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