[Patch, fortran] PR84523 - [8 Regression] Runtime crash deallocating allocatable array within derived type

[Paul Richard Thomas]

Fixed by revision 257970, which was committed as 'obvious'.

This was a bug that was lurking in the background that, for some
reason, was triggered by r257065.

Paul

2018-02-25  Paul Thomas  <pault@gcc.gnu.org>

    PR fortran/84523
    * trans-intrinsic.c (gfc_conv_allocated): If the argument se
    has a pre block, add it to the expression pre block.

2018-02-25  Paul Thomas  <pault@gcc.gnu.org>

    PR fortran/84523
    * gfortran.dg/pr84523.f90: New test.