! { dg-do run } ! { dg-options "-O3 -fdump-tree-original" } ! Tests the fix for PR33850, in which one of the two assignments ! below would produce an unnecessary temporary for the index ! expression, following the fix for PR33749. ! ! Contributed by Dick Hendrickson on comp.lang.fortran, ! " Most elegant syntax for inverting a permutation?" 20071006 ! integer(4) :: p4(4) = (/2,4,1,3/) integer(4) :: q4(4) = (/2,4,1,3/) integer(8) :: p8(4) = (/2,4,1,3/) integer(8) :: q8(4) = (/2,4,1,3/) p4(q4) = (/(i, i = 1, 4)/) q4(q4) = (/(i, i = 1, 4)/) p8(q8) = (/(i, i = 1, 4)/) q8(q8) = (/(i, i = 1, 4)/) if (any(p4 .ne. q4)) call abort () if (any(p8 .ne. q8)) call abort () end ! Whichever is the default length for array indices will yield ! parm 9 times, because a temporary is not necessary. The other ! cases will all yield a temporary, so that atmp appears 27 times. ! Note that it is the kind conversion that generates the temp. ! ! { dg-final { scan-tree-dump-times "parm" 9 "original" } } ! { dg-final { scan-tree-dump-times "atmp" 27 "original" } } ! { dg-final { cleanup-tree-dump "original" } }