* [Bug c++/66602] std::tuple bug when constructed with temporary empty object
[not found] <bug-66602-4@http.gcc.gnu.org/bugzilla/>
@ 2015-06-19 17:41 ` redi at gcc dot gnu.org
2015-06-19 19:12 ` daniel.kruegler at googlemail dot com
` (3 subsequent siblings)
4 siblings, 0 replies; 5+ messages in thread
From: redi at gcc dot gnu.org @ 2015-06-19 17:41 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66602
Jonathan Wakely <redi at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |WAITING
Last reconfirmed| |2015-06-19
Ever confirmed|0 |1
--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> ---
It works fine for me.
You haven't said what it prints for you, or even said which version of GCC you
are using so it's impossible to know if this is an ancient bug that was fixed
long ago.
Please provide the output of 'g++ -v' as requested by https://gcc.gnu.org/bugs/
^ permalink raw reply [flat|nested] 5+ messages in thread* [Bug c++/66602] std::tuple bug when constructed with temporary empty object
[not found] <bug-66602-4@http.gcc.gnu.org/bugzilla/>
2015-06-19 17:41 ` [Bug c++/66602] std::tuple bug when constructed with temporary empty object redi at gcc dot gnu.org
@ 2015-06-19 19:12 ` daniel.kruegler at googlemail dot com
2015-06-20 2:11 ` so61pi.re at gmail dot com
` (2 subsequent siblings)
4 siblings, 0 replies; 5+ messages in thread
From: daniel.kruegler at googlemail dot com @ 2015-06-19 19:12 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66602
Daniel Krügler <daniel.kruegler at googlemail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |daniel.kruegler@googlemail.
| |com
--- Comment #2 from Daniel Krügler <daniel.kruegler at googlemail dot com> ---
It seems that gcc 5.1.0 produces a random value such as
557195712
or
-214982144
for the first output statement when compiled against C++11 or beyond that C++
target version. It seems, though, that the current head (tested agains gcc HEAD
6.0.0 20150619 (experimental)) has fixed that problem.
>From gcc-bugs-return-489456-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Fri Jun 19 19:13:53 2015
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From: "daniel.kruegler at googlemail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/66603] using std::cout causes segfault with unrelated array declaration
Date: Fri, 19 Jun 2015 19:13:00 -0000
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Daniel Krügler <daniel.kruegler at googlemail dot com> changed:
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----------------------------------------------------------------------------
CC| |daniel.kruegler@googlemail.
| |com
--- Comment #1 from Daniel Krügler <daniel.kruegler at googlemail dot com> ---
The segfault also occurs in the current head (tested: gcc HEAD 6.0.0 20150619
(experimental))
>From gcc-bugs-return-489457-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Fri Jun 19 19:17:51 2015
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From: "jason at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/66585] [5/6 Regression] Internal compiler error when initialize field with lambda
Date: Fri, 19 Jun 2015 19:17:00 -0000
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--- Comment #4 from Jason Merrill <jason at gcc dot gnu.org> ---
Author: jason
Date: Fri Jun 19 19:17:16 2015
New Revision: 224694
URL: https://gcc.gnu.org/viewcvs?rev"4694&root=gcc&view=rev
Log:
PR c++/66585
* pt.c (instantiate_class_template_1): Clear
cp_unevaluated_operand and c_inhibit_evaluation_warnings.
Added:
branches/gcc-5-branch/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-nsdmi8.C
Modified:
branches/gcc-5-branch/gcc/cp/ChangeLog
branches/gcc-5-branch/gcc/cp/pt.c
^ permalink raw reply [flat|nested] 5+ messages in thread* [Bug c++/66602] std::tuple bug when constructed with temporary empty object
[not found] <bug-66602-4@http.gcc.gnu.org/bugzilla/>
2015-06-19 17:41 ` [Bug c++/66602] std::tuple bug when constructed with temporary empty object redi at gcc dot gnu.org
2015-06-19 19:12 ` daniel.kruegler at googlemail dot com
@ 2015-06-20 2:11 ` so61pi.re at gmail dot com
2015-06-20 12:22 ` redi at gcc dot gnu.org
2015-08-04 10:01 ` paolo.carlini at oracle dot com
4 siblings, 0 replies; 5+ messages in thread
From: so61pi.re at gmail dot com @ 2015-06-20 2:11 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66602
--- Comment #3 from so61pi.re at gmail dot com ---
My current version of GCC is 5.1.0 on Windows, but I also tested on Linux with
same GCC version, and it produced the same bug, which printed random value like
Daniel Krügler have showed.
Apparently, this bug is fixed in gcc HEAD 6.0.0 20150619 (experimental).
My command line was:
g++ -std=c++14 main.cpp -o main.exe
And here is the output of 'g++ -v' on my system:
Using built-in specs.
COLLECT_GCC=g++
COLLECT_LTO_WRAPPER=d:/tools/mingw/bin/../libexec/gcc/x86_64-w64-mingw32/5.1.0/l
to-wrapper.exe
Target: x86_64-w64-mingw32
Configured with: ../src/configure --with-gmp=/c/temp/gcc/gmp
--with-mpfr=/c/temp/gcc/mpfr --with-mpc=/c/temp/gcc/mpc
--enable-languages=c,c++ --build=x86_64-w64-mingw32 --host=x86_64-w64-mingw32
--target=x86_64-w64-mingw32 --disable-multilib --prefix=/c/temp/gcc/dest
--with-sysroot=/c/temp/gcc/dest --disable-libstdcxx-pch --disable-nls
--disable-shared --disable-win32-registry --enable-checking=release
--with-tune=haswell
Thread model: win32
gcc version 5.1.0 (GCC)
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From: "mikpelinux at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c/66598] With -O3 gcc incorrectly assumes aligned SSE instructions (e.g. movapd) can be used
Date: Sat, 20 Jun 2015 08:10:00 -0000
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Mikael Pettersson <mikpelinux at gmail dot com> changed:
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----------------------------------------------------------------------------
CC| |mikpelinux at gmail dot com
--- Comment #1 from Mikael Pettersson <mikpelinux at gmail dot com> ---
I can reproduce the SEGV with current gcc-6, 5, and 4.9, but not with 4.8 or
4.7.
Dropping from -O3 to -O2 also prevents the SEGV.
^ permalink raw reply [flat|nested] 5+ messages in thread* [Bug c++/66602] std::tuple bug when constructed with temporary empty object
[not found] <bug-66602-4@http.gcc.gnu.org/bugzilla/>
` (2 preceding siblings ...)
2015-06-20 2:11 ` so61pi.re at gmail dot com
@ 2015-06-20 12:22 ` redi at gcc dot gnu.org
2015-08-04 10:01 ` paolo.carlini at oracle dot com
4 siblings, 0 replies; 5+ messages in thread
From: redi at gcc dot gnu.org @ 2015-06-20 12:22 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66602
Jonathan Wakely <redi at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|WAITING |NEW
Known to work| |5.1.1, 6.0
Version|unknown |5.1.0
Known to fail| |5.1.0
--- Comment #4 from Jonathan Wakely <redi at gcc dot gnu.org> ---
It also seems to be fixed in 5.1.1
^ permalink raw reply [flat|nested] 5+ messages in thread* [Bug c++/66602] std::tuple bug when constructed with temporary empty object
[not found] <bug-66602-4@http.gcc.gnu.org/bugzilla/>
` (3 preceding siblings ...)
2015-06-20 12:22 ` redi at gcc dot gnu.org
@ 2015-08-04 10:01 ` paolo.carlini at oracle dot com
4 siblings, 0 replies; 5+ messages in thread
From: paolo.carlini at oracle dot com @ 2015-08-04 10:01 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66602
Paolo Carlini <paolo.carlini at oracle dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
--- Comment #5 from Paolo Carlini <paolo.carlini at oracle dot com> ---
Closing then.
^ permalink raw reply [flat|nested] 5+ messages in thread