[Bug libstdc++/59603] std::random_shuffle tries to swap element with itself

["joerg.richter@pdv-fs.de" <gcc-bugzilla@gcc.gnu.org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59603

--- Comment #4 from Jörg Richter <joerg.richter@pdv-fs.de> ---
Are you sure that this is not a iter_swap problem? I have found nothing in the
standard that iter_swap( x, x ) is undefined.

I always thought types do not have to be prepared to handle self move
assignment.
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From: "janus at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug fortran/58803] Proc-pointer component: free_components deallocates twice pointer p->tb at symbol.c:2068
Date: Sun, 09 Feb 2014 17:32:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?idX803

--- Comment #4 from janus at gcc dot gnu.org ---
Author: janus
Date: Sun Feb  9 17:32:07 2014
New Revision: 207644

URL: http://gcc.gnu.org/viewcvs?rev 7644&root=gcc&view=rev
Log:
2014-02-09  Janus Weil  <janus@gcc.gnu.org>

    Backport from mainline
    2013-10-21  Tobias Burnus  <burnus@net-b.de>

    PR fortran/58803
    PR fortran/59395
    * decl.c (match_ppc_decl): Prevent later double free.


2014-02-09  Janus Weil  <janus@gcc.gnu.org>

    Backport from mainline
    2013-10-21  Tobias Burnus  <burnus@net-b.de>

    PR fortran/58803
    PR fortran/59395
    * gfortran.dg/proc_ptr_comp_38.f90: New.

Added:
    branches/gcc-4_8-branch/gcc/testsuite/gfortran.dg/proc_ptr_comp_38.f90
Modified:
    branches/gcc-4_8-branch/gcc/fortran/ChangeLog
    branches/gcc-4_8-branch/gcc/fortran/decl.c
    branches/gcc-4_8-branch/gcc/testsuite/ChangeLog