[Bug fortran/89266] ICE with TRANSFER of len=0 character array constructor

[anlauf at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89266

--- Comment #14 from anlauf at gcc dot gnu.org ---
Author: anlauf
Date: Sat Mar  2 16:08:03 2019
New Revision: 269342

URL: https://gcc.gnu.org/viewcvs?rev=269342&root=gcc&view=rev
Log:
2019-03-02  Harald Anlauf  <anlauf@gmx.de>

        Backport from trunk
        PR fortran/89516
        * check.c (gfc_calculate_transfer_sizes): Correct checks for cases
        where storage size of elements of MOLD is 0.

        PR fortran/89492
        * check.c (gfc_calculate_transfer_sizes): Handle cases where
        storage size of elements of MOLD is 0.

        PR fortran/89266
        PR fortran/88326
        * target-memory.c (gfc_element_size): Return false if element size
        cannot be determined; element size is returned separately.
        (gfc_target_expr_size): Return false if expression size cannot be
        determined; expression size is returned separately.
        * target-memory.h: Adjust prototypes.
        * check.c (gfc_calculate_transfer_sizes): Adjust references to
        gfc_target_expr_size, gfc_element_size.
        * arith.c (hollerith2representation): Likewise.
        * class.c (find_intrinsic_vtab): Likewise.
        * simplify.c (gfc_simplify_sizeof): Likewise.

        Backport from trunk
        PR fortran/89516
        * gfortran.dg/pr89492.f90: Adjust testcase.
        * gfortran.dg/transfer_check_5.f90: New test.

        PR fortran/89492
        * gfortran.dg/pr89492.f90: New test.

        PR fortran/89266
        PR fortran/88326
        * gfortran.dg/pr89266.f90: New test.
        * gfortran.dg/pr88326.f90: New test.


Added:
    branches/gcc-8-branch/gcc/testsuite/gfortran.dg/pr88326.f90
    branches/gcc-8-branch/gcc/testsuite/gfortran.dg/pr89266.f90
    branches/gcc-8-branch/gcc/testsuite/gfortran.dg/pr89492.f90
    branches/gcc-8-branch/gcc/testsuite/gfortran.dg/transfer_check_5.f90
Modified:
    branches/gcc-8-branch/gcc/fortran/ChangeLog
    branches/gcc-8-branch/gcc/fortran/arith.c
    branches/gcc-8-branch/gcc/fortran/check.c
    branches/gcc-8-branch/gcc/fortran/class.c
    branches/gcc-8-branch/gcc/fortran/simplify.c
    branches/gcc-8-branch/gcc/fortran/target-memory.c
    branches/gcc-8-branch/gcc/fortran/target-memory.h
    branches/gcc-8-branch/gcc/testsuite/ChangeLog