[Bug c++/67354] [5 regression] internal compiler error: in add_to_same_comdat_group, at symtab.c:421

["jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67354

--- Comment #11 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Wed Nov 25 21:13:00 2015
New Revision: 230905

URL: https://gcc.gnu.org/viewcvs?rev=230905&root=gcc&view=rev
Log:
        Backported from mainline
        2015-11-20  Jakub Jelinek  <jakub@redhat.com>

        PR c++/67354
        * cp-tree.h (defer_mangling_aliases): Declare.
        (generate_mangling_aliases): New prototype.
        * decl2.c (defer_mangling_aliases): New variable.
        (note_mangling_alias): Use !defer_mangling_aliases
        instead of at_eof.
        (generate_mangling_aliases): No longer static. Clear
        defer_mangling_aliases.
        * optimize.c (maybe_thunk_body): Defer emitting mangling aliases
        if !defer_mangling_aliases until the fns are put into the same
        comdat group.

        * g++.dg/abi/mangle67.C: New test.

        2015-05-09  Aldy Hernandez  <aldyh@redhat.com>

        PR bootstrap/66085
        * decl2.c (note_mangling_alias): Declare arguments as unused.

        2015-05-08  Jason Merrill  <jason@redhat.com>

        * decl2.c (mangling_aliases): New variable.
        (note_mangling_alias, generate_mangling_aliases): New.
        (cp_write_global_declarations): Call generate_mangling_aliases.
        (generate_mangling_alias): Split out from...
        * mangle.c (mangle_decl): ...here.
        * cp-tree.h: Declare note_mangling_alias.

Added:
    branches/gcc-5-branch/gcc/testsuite/g++.dg/abi/mangle67.C
Modified:
    branches/gcc-5-branch/gcc/cp/ChangeLog
    branches/gcc-5-branch/gcc/cp/cp-tree.h
    branches/gcc-5-branch/gcc/cp/decl2.c
    branches/gcc-5-branch/gcc/cp/mangle.c
    branches/gcc-5-branch/gcc/cp/optimize.c
    branches/gcc-5-branch/gcc/testsuite/ChangeLog