[Bug fortran/71935] [4.9/5/6/7 Regression] ICE is_c_interoperable(): gfc_simplify_expr failed

[kargl at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71935

--- Comment #4 from kargl at gcc dot gnu.org ---
Author: kargl
Date: Fri Jul 22 18:53:11 2016
New Revision: 238665

URL: https://gcc.gnu.org/viewcvs?rev=238665&root=gcc&view=rev
Log:
2016-07-22  Steven G. Kargl  <ka...@gcc.gnu.org>

        PR fortran/71935
        * check.c (is_c_interoperable): Simplify right expression. 

2016-07-22  Steven G. Kargl  <ka...@gcc.gnu.org>

        PR fortran/71935
        * gfortran.dg/c_sizeof_1.f90: Move invalid code to ...
        * gfortran.dg/c_sizeof_6.f90: here.  Test for error.
        * gfortran.dg/pr71935.f90: New test.

Added:
    trunk/gcc/testsuite/gfortran.dg/c_sizeof_6.f90
    trunk/gcc/testsuite/gfortran.dg/pr71935.f90
Modified:
    trunk/gcc/fortran/ChangeLog
    trunk/gcc/fortran/check.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gfortran.dg/c_sizeof_1.f90