[Bug fortran/83975] [8 Regression] ICE in set_parm_default_def_partition, at tree-ssa-coalesce.c:1919

[pault at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83975

--- Comment #9 from Paul Thomas <pault at gcc dot gnu.org> ---
Author: pault
Date: Mon Feb 19 22:09:13 2018
New Revision: 257827

URL: https://gcc.gnu.org/viewcvs?rev=257827&root=gcc&view=rev
Log:
2018-02-19  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/83344
        PR fortran/83975
        * resolve.c (resolve_assoc_var): Rearrange the logic for the
        determination of the character length of associate names. If
        the associate name is missing a length expression or the length
        expression is not a constant and the target is not a variable,
        make the associate name allocatable and deferred length.
        * trans-decl.c (gfc_get_symbol_decl): Null the character length
        backend_decl for deferred length associate names that are not
        variables. Set 'length' to gfc_index_zero_node for character
        associate names, whose character length is a PARM_DECL.

2018-02-19  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/83344
        PR fortran/83975
        * gfortran.dg/associate_22.f90: Enable commented out test.
        * gfortran.dg/associate_36.f90: New test.


Added:
    trunk/gcc/testsuite/gfortran.dg/associate_36.f90
Modified:
    trunk/gcc/fortran/ChangeLog
    trunk/gcc/fortran/resolve.c
    trunk/gcc/fortran/trans-decl.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gfortran.dg/associate_22.f90