[Bug fortran/66227] [5/6/7 Regression] [OOP] EXTENDS_TYPE_OF n returns wrong result for polymorphic variable allocated to extended type

[janus at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66227

--- Comment #7 from janus at gcc dot gnu.org ---
Author: janus
Date: Thu Nov 17 07:52:24 2016
New Revision: 242535

URL: https://gcc.gnu.org/viewcvs?rev=242535&root=gcc&view=rev
Log:
2016-11-17  Janus Weil  <ja...@gcc.gnu.org>

        PR fortran/66227
        * simplify.c (gfc_simplify_extends_type_of): Fix missed optimization.
        Prevent over-simplification. Fix a comment. Add a comment.

2016-11-17  Janus Weil  <ja...@gcc.gnu.org>

        PR fortran/66227
        * gfortran.dg/extends_type_of_3.f90: Fix and extend the test case.

Modified:
    trunk/gcc/fortran/ChangeLog
    trunk/gcc/fortran/simplify.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gfortran.dg/extends_type_of_3.f90