[Bug fortran/78800] [OOP] ICE in compare_parameter, at fortran/interface.c:2246

[janus at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78800

--- Comment #1 from janus at gcc dot gnu.org ---
Author: janus
Date: Thu Dec 15 14:07:51 2016
New Revision: 243691

URL: https://gcc.gnu.org/viewcvs?rev=243691&root=gcc&view=rev
Log:
2016-12-15  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/78800
        * interface.c (compare_allocatable): Avoid additional errors on bad
        class declarations.
        (compare_parameter): Put the result of gfc_expr_attr into a variable,
        in order to avoid calling it multiple times. Exit early on bad class
        declarations to avoid ICE.

2016-12-15  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/78800
        * gfortran.dg/unlimited_polymorphic_27.f90: New test case.

Added:
    trunk/gcc/testsuite/gfortran.dg/unlimited_polymorphic_27.f90
Modified:
    trunk/gcc/fortran/ChangeLog
    trunk/gcc/fortran/interface.c
    trunk/gcc/testsuite/ChangeLog