[Patch, fortran] PR77325 - ICE in gimplify_var_or_parm_decl, at gimplify.c:1933

[Paul Richard Thomas]

This is yet another deferred character problem occurring at exactly
the same place as 87239 and 84109. I found another bug while going
along and so have fixed that too.

Bootstrapped and regtested on FC28/x86_64.

I will apply all three to 8-branch in slightly more than one week's time.

Paul

2018-09-21  Paul Thomas  <pault@gcc.gnu.org>

    PR fortran/77325
    * trans-array.c (gfc_alloc_allocatable_for_assignment): If the
    rhs has a charlen expression, convert that and use it.
    * trans-expr.c (gfc_trans_assignment_1): The rse.pre for the
    assignment of deferred character array vars to a realocatable
    lhs should not be added to the exterior block since vector
    indices, for example, generate temporaries indexed within the
    loop.

2018-09-21  Paul Thomas  <pault@gcc.gnu.org>

    PR fortran/77325
    * gfortran.dg/deferred_character_22.f90 : New test.
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