diff --git a/gcc/fortran/trans-expr.cc b/gcc/fortran/trans-expr.cc index 09cdd9263c4ebe2642ad61019a2c73dc9e644bfb..bc9aba982d8a674811973ff0dc5b5ac6c67d2dd0 100644 --- a/gcc/fortran/trans-expr.cc +++ b/gcc/fortran/trans-expr.cc @@ -7486,7 +7486,12 @@ gfc_conv_procedure_call (gfc_se * se, gfc_symbol * sym, (and other intrinsics?) and dummy functions. In the case of SPREAD, we take the character length of the first argument for the result. For dummies, we have to look through the formal argument list for - this function and use the character length found there.*/ + this function and use the character length found there. + Likewise, we handle the case of deferred-length character dummy + arguments to intrinsics that determine the characteristics of + the result, which cannot be deferred-length. */ + if (expr->value.function.isym) + ts.deferred = false; if (ts.deferred) cl.backend_decl = gfc_create_var (gfc_charlen_type_node, "slen"); else if (!sym->attr.dummy) diff --git a/gcc/testsuite/gfortran.dg/deferred_character_37.f90 b/gcc/testsuite/gfortran.dg/deferred_character_37.f90 new file mode 100644 index 0000000000000000000000000000000000000000..8a5a8c5daf81f65445a85fd538056ff64b1813a0 --- /dev/null +++ b/gcc/testsuite/gfortran.dg/deferred_character_37.f90 @@ -0,0 +1,88 @@ +! { dg-do run } +! PR fortran/95947 +! PR fortran/110658 +! +! Test deferred-length character arguments to selected intrinsics +! that may return a character result of same length as first argument: +! CSHIFT, EOSHIFT, MAXVAL, MERGE, MINVAL, PACK, SPREAD, TRANSPOSE, UNPACK + +program p + implicit none + call pr95947 () + call pr110658 () + call s () + +contains + + subroutine pr95947 + character(len=:), allocatable :: m(:) + + m = [ character(len=10) :: 'ape','bat','cat','dog','eel','fly','gnu'] + m = pack (m, mask=(m(:)(2:2) == 'a')) + +! print *, "m = '", m,"' ", "; expected is ['bat','cat']" + if (.not. all (m == ['bat','cat'])) stop 1 + +! print *, "size(m) = ", size(m), "; expected is 2" + if (size (m) /= 2) stop 2 + +! print *, "len(m) = ", len(m), "; expected is 10" + if (len (m) /= 10) stop 3 + +! print *, "len_trim(m) = ", len_trim(m), "; expected is 3 3" + if (.not. all (len_trim(m) == [3,3])) stop 4 + end + + subroutine pr110658 + character(len=:), allocatable :: array(:), array2(:,:) + character(len=:), allocatable :: res, res1(:), res2(:) + + array = ["bb", "aa", "cc"] + + res = minval (array) + if (res /= "aa") stop 11 + + res = maxval (array, mask=[.true.,.true.,.false.]) + if (res /= "bb") stop 12 + + res1 = cshift (array, 1) + if (any (res1 /= ["aa","cc","bb"])) stop 13 + + res2 = eoshift (res1, -1) + if (any (res2 /= [" ", "aa", "cc"])) stop 14 + + res2 = pack (array, mask=[.true.,.false.,.true.]) + if (any (res2 /= ["bb","cc"])) stop 15 + + res2 = unpack (res2, mask=[.true.,.false.,.true.], field="aa") + if (any (res2 /= array)) stop 16 + + res2 = merge (res2, array, [.true.,.false.,.true.]) + if (any (res2 /= array)) stop 17 + + array2 = spread (array, dim=2, ncopies=2) + array2 = transpose (array2) + if (any (shape (array2) /= [2,3])) stop 18 + if (any (array2(2,:) /= array)) stop 19 + end + + subroutine s + character(:), allocatable :: array1(:), array2(:) + array1 = ["aa","cc","bb"] + array2 = copy (array1) + if (any (array1 /= array2)) stop 20 + end + + function copy (arg) result (res) + character(:), allocatable :: res(:) + character(*), intent(in) :: arg(:) + integer :: i, k, n + k = len (arg) + n = size (arg) + allocate (character(k) :: res(n)) + do i = 1, n + res(i) = arg(i) + end do + end + +end