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From: "guojiufu at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug libstdc++/107037] New: 541.leela_r compiling fail since r13-2779
Date: Mon, 26 Sep 2022 08:18:38 +0000	[thread overview]
Message-ID: <bug-107037-4@http.gcc.gnu.org/bugzilla/> (raw)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107037

            Bug ID: 107037
           Summary: 541.leela_r compiling fail since r13-2779
           Product: gcc
           Version: 13.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: libstdc++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: guojiufu at gcc dot gnu.org
  Target Milestone: ---

When building 541.leela_r from spec2017, I encounter one error:

include/c++/13.0.0/bitset: In instantiation of 'void
std::_Base_bitset<_Nw>::_M_do_reset() [with long unsigned int _Nw = 7]':
include/c++/13.0.0/bitset:1145:19:   required from 'std::bitset<_Nb>&
std::bitset<_Nb>::reset() [with long unsigned int _Nb = 441]'
Playout.cpp:20:18:   required from here
include/c++/13.0.0/bitset:187:13: error: forming reference to reference type
'long unsigned int (&)[7]'
  187 |             for (_WordT& __w : _M_w)
      |             ^~~


The command is 
g++     -std=c++03 -m64 -c -o Playout.o -DSPEC -DNDEBUG -I.
-DSPEC_AUTO_SUPPRESS_OPENMP  -Ofast      -DSPEC_LP64  Playout.cpp

This issue is also reproducible on -O3 or -O2.

It seems compiling fine before commit
r13-2779-9194c13909b72d23e58fee72864a2663b12f6b19.

             reply	other threads:[~2022-09-26  8:18 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-26  8:18 guojiufu at gcc dot gnu.org [this message]
2022-09-26  9:29 ` [Bug libstdc++/107037] [13 Regression] " rguenth at gcc dot gnu.org
2022-09-26 10:06 ` redi at gcc dot gnu.org
2022-09-26 12:59 ` cvs-commit at gcc dot gnu.org
2022-09-26 13:00 ` redi at gcc dot gnu.org

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