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[Patch, fortran] PR79072 - ICE with class(*) pointer function result and character value

From: Paul Richard Thomas <paul dot richard dot thomas at gmail dot com>
To: "fortran at gcc dot gnu dot org" <fortran at gcc dot gnu dot org>, gcc-patches <gcc-patches at gcc dot gnu dot org>
Cc: neil dot n dot carlson at gmail dot com, Andre Vehreschild <vehre at gmx dot de>
Date: Sat, 18 Nov 2017 17:49:47 +0000
Subject: [Patch, fortran] PR79072 - ICE with class(*) pointer function result and character value
Authentication-results: sourceware.org; auth=none

Dear All,

This is not quite an 'obvious' patch but it does speak for itself. If
there are no objections in the meantime, I will commit it tomorrow
evening.

Bootstraps and regtests on FC23/x86_64 - OK for trunk? What about 7-branch?

Cheers

Paul

2017-11-18  Paul Thomas  <pault@gcc.gnu.org>

    PR fortran/79072
    * trans-expr.c (trans_class_vptr_len_assignment): Set from_len
    if the temporary is unlimited polymorphic.
    * trans-stmt.c (trans_associate_var): Use the fake result decl
    to obtain the 'len' field from an explicit function result when
    in that function scope.

2017-11-18  Paul Thomas  <pault@gcc.gnu.org>

    PR fortran/79072
    * gfortran.dg/class_result_5.f90: New test.

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