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[Bug lto/57602] [4.9 Regression] Runfails for several C/C++ benchmarks from spec2000 for i686 with -flto after r199422


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57602

--- Comment #12 from Yuri Rumyantsev <ysrumyan at gmail dot com> ---
Jan,

I tried to test your fix and got the following error message while
building trunk compiler (with your fix):

../../../../../trunk/libstdc++-v3/src/c++11/fstream-inst.cc:48:1:
error: node is alias but not definition
 } // namespace
 ^
_ZNSt9basic_iosIwSt11char_traitsIwEED1Ev/764 (std::basic_ios<_CharT,
_Traits>::~basic_ios() [with _CharT = wchar_t; _Traits =
std::char_traits<wchar_t>]) @0x7f1375b1be40
  Type: function alias cpp_implicit_alias
  Visibility: external public visibility_specified
  Address is taken.
  References:
  Referring:
  Availability: not_available
  Function flags:
  Called by:
  Calls:
../../../../../trunk/libstdc++-v3/src/c++11/fstream-inst.cc:48:1:
internal compiler error: verify_cgraph_node failed
0x7dc6b1 verify_cgraph_node(cgraph_node*)
        ../../trunk/gcc/cgraph.c:2621
0x7d6567 verify_symtab_node(symtab_node_def*)
        ../../trunk/gcc/symtab.c:763
0x7d65a7 verify_symtab()
        ../../trunk/gcc/symtab.c:780
0x98118b symtab_remove_unreachable_nodes(bool, _IO_FILE*)
        ../../trunk/gcc/ipa.c:477
0xf33f20 ipa_inline
        ../../trunk/gcc/ipa-inline.c:1800
Please submit a full bug report,

Please, let me know if more info is needed.

2013/8/5 hubicka at gcc dot gnu.org <gcc-bugzilla@gcc.gnu.org>:
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57602
>
> --- Comment #11 from Jan Hubicka <hubicka at gcc dot gnu.org> ---
> Created attachment 30616
>   --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30616&action=edit
> Proposed fix
>
> Patch I am testing. The problem was that ltrans passes got overzelaous on
> clearing local flags.  I think this bug was there for a while, I wonder why it
> did not hit us before.
>
> The patch fixes the testcase seen in one of dups of this PR, does it fix all of
> SPEC?
>
> --
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