From 85627e2a9e9808c49da92b943a3c8e22106bf9aa Mon Sep 17 00:00:00 2001 From: Jerry DeLisle Date: Sat, 23 Feb 2019 18:07:10 +0000 Subject: [PATCH] re PR fortran/84387 (Defined output does not work for a derived type that has no components) 2019-02-23 Jerry DeLisle PR fortran/84387 * trans-io.c (transfer_expr): Do not return if there are no components to the derived type or class. * gfortran.dg/dtio_34.f90: New test. From-SVN: r269161 --- gcc/fortran/ChangeLog | 6 ++++++ gcc/fortran/trans-io.c | 2 -- gcc/testsuite/ChangeLog | 5 +++++ gcc/testsuite/gfortran.dg/dtio_34.f90 | 32 ++++++++++++++++++++++++++++++++ 4 files changed, 43 insertions(+), 2 deletions(-) create mode 100644 gcc/testsuite/gfortran.dg/dtio_34.f90 diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog index f03302e73a3..580d4b7fb7a 100644 --- a/gcc/fortran/ChangeLog +++ b/gcc/fortran/ChangeLog @@ -1,3 +1,9 @@ +2019-02-23 Jerry DeLisle + + PR fortran/84387 + * trans-io.c (transfer_expr): Do not return if there are no + components to the derived type or class. + 2019-02-23 Paul Thomas PR fortran/88117 diff --git a/gcc/fortran/trans-io.c b/gcc/fortran/trans-io.c index 9a13af4a630..9e7071dc121 100644 --- a/gcc/fortran/trans-io.c +++ b/gcc/fortran/trans-io.c @@ -2407,8 +2407,6 @@ transfer_expr (gfc_se * se, gfc_typespec * ts, tree addr_expr, case_bt_struct: case BT_CLASS: - if (ts->u.derived->components == NULL) - return; if (gfc_bt_struct (ts->type) || ts->type == BT_CLASS) { gfc_symbol *derived; diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 3cd5d935edf..958564ac8b0 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2019-02-23 Jerry DeLisle + + PR fortran/84387 + * gfortran.dg/dtio_34.f90: New test. + 2019-02-23 Marek Polacek PR c++/88294 - ICE with non-constant noexcept-specifier. diff --git a/gcc/testsuite/gfortran.dg/dtio_34.f90 b/gcc/testsuite/gfortran.dg/dtio_34.f90 new file mode 100644 index 00000000000..7cecc8b9141 --- /dev/null +++ b/gcc/testsuite/gfortran.dg/dtio_34.f90 @@ -0,0 +1,32 @@ +! { dg-do run } +! PR84387 Defined output does not work for a derived type that +! has no components +module m + type :: t + private + !integer :: m_i = 0 !<-- *** + contains + private + procedure, pass(this) :: write_t + generic, public :: write(formatted) => write_t + end type +contains + subroutine write_t(this, lun, iotype, vlist, istat, imsg) + ! argument definitions + class(t), intent(in) :: this + integer, intent(in) :: lun + character(len=*), intent(in) :: iotype + integer, intent(in) :: vlist(:) + integer, intent(out) :: istat + character(len=*), intent(inout) :: imsg + write(lun, fmt=*, iostat=istat, iomsg=imsg) "Hello World!" + return + end subroutine write_t + +end module + +program p + use m, only : t + type(t) :: foo + print "(dt)", foo ! { dg-output " Hello World!" } +end program -- 2.11.4.GIT