[Bug fortran/77327] AddressSanitizer: heap-use-after-free gcc-trunk-239276/gcc/fortran/interface.c:403 in compare_components

[foreese at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77327

--- Comment #9 from foreese at gcc dot gnu.org ---
Author: foreese
Date: Mon Aug 29 12:24:25 2016
New Revision: 239819

URL: https://gcc.gnu.org/viewcvs?rev=239819&root=gcc&view=rev
Log:
2016-08-29  Fritz Reese  <fritzoreese@gmail.com>

        Fix, reorganize, and clarify comparisons of anonymous types/components.

        PR fortran/77327
        * interface.c (is_anonymous_component, is_anonymous_dt): New functions.
        * interface.c (compare_components, gfc_compare_derived_types): Use new
        functions.

        * gfortran.dg/dec_structure_13.f90: New testcase.


Added:
    trunk/gcc/testsuite/gfortran.dg/dec_structure_13.f90
Modified:
    trunk/gcc/fortran/ChangeLog
    trunk/gcc/fortran/interface.c
    trunk/gcc/testsuite/ChangeLog