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From: "juchem at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/62277] New: [C++11] constexpr member methods are treated as const, regardless of const modifier
Date: Wed, 27 Aug 2014 06:24:00 -0000 [thread overview]
Message-ID: <bug-62277-4@http.gcc.gnu.org/bugzilla/> (raw)
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62277
Bug ID: 62277
Summary: [C++11] constexpr member methods are treated as const,
regardless of const modifier
Product: gcc
Version: 4.9.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: juchem at gmail dot com
The following code fails to compile. Tested in Debian sid (g++ 4.8.3-9 and
4.9.1-9) and in http://ideone.com (gcc 4.8.1).
Defining CONSTEXPR to an empty macro compiles and runs successfully.
----------------------------------------------
#include <iostream>
#define CONSTEXPR constexpr
struct foo {
CONSTEXPR char const *bar() const { return "const"; }
CONSTEXPR char const *bar() { return "non-const"; }
};
int main() {
foo f;
std::cout << f.bar() << std::endl;
foo const b;
std::cout << b.bar() << std::endl;
return 0;
}
----------------------------------------------
output:
prog.cpp:7:24: error: ‘constexpr const char* foo::bar() const’ cannot be
overloaded
CONSTEXPR char const *bar() { return "non-const"; }
^
prog.cpp:6:24: error: with ‘constexpr const char* foo::bar() const’
CONSTEXPR char const *bar() const { return "const"; }
gcc versions in debian:
$ g++-4.8 --version
g++-4.8 (Debian 4.8.3-9) 4.8.3
Copyright (C) 2013 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
$ g++-4.9 --version
g++-4.9 (Debian 4.9.1-9) 4.9.1
Copyright (C) 2014 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
>From gcc-bugs-return-459326-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Wed Aug 27 06:41:31 2014
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From: "amker at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug rtl-optimization/62265] [4.8/4.9/5 regression] FAIL: gcc.dg/20111227-2.c scan-rtl-dump ree "Elimination opportunities = 3 realized = 3"
Date: Wed, 27 Aug 2014 06:41:00 -0000
X-Bugzilla-Reason: CC
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X-Bugzilla-Component: rtl-optimization
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X-Bugzilla-Who: amker at gcc dot gnu.org
X-Bugzilla-Status: NEW
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X-Bugzilla-Target-Milestone: 4.8.4
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Message-ID: <bug-62265-4-xGEGZezsAN@http.gcc.gnu.org/bugzilla/>
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References: <bug-62265-4@http.gcc.gnu.org/bugzilla/>
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https://gcc.gnu.org/bugzilla/show_bug.cgi?idb265
amker at gcc dot gnu.org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2014-08-27
CC| |amker at gcc dot gnu.org
Ever confirmed|0 |1
--- Comment #1 from amker at gcc dot gnu.org ---
Confirmed on many arm/aarch64 triplets.
next reply other threads:[~2014-08-27 6:24 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-27 6:24 juchem at gmail dot com [this message]
2014-08-27 9:27 ` [Bug c++/62277] " redi at gcc dot gnu.org
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