* [Bug c++/59742] compilation failed for package ‘RcppEigen’
2014-01-09 20:15 [Bug c++/59742] New: compilation failed for package ‘RcppEigen’ patrik.dinnetz at sh dot se
@ 2014-01-09 20:53 ` patrik.dinnetz at sh dot se
2014-01-09 21:09 ` glisse at gcc dot gnu.org
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: patrik.dinnetz at sh dot se @ 2014-01-09 20:53 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59742
--- Comment #1 from patrikdinnetz <patrik.dinnetz at sh dot se> ---
source file to large attach
^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug c++/59742] compilation failed for package ‘RcppEigen’
2014-01-09 20:15 [Bug c++/59742] New: compilation failed for package ‘RcppEigen’ patrik.dinnetz at sh dot se
2014-01-09 20:53 ` [Bug c++/59742] " patrik.dinnetz at sh dot se
@ 2014-01-09 21:09 ` glisse at gcc dot gnu.org
2014-01-15 0:51 ` pinskia at gcc dot gnu.org
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: glisse at gcc dot gnu.org @ 2014-01-09 21:09 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59742
Marc Glisse <glisse at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Severity|major |normal
--- Comment #2 from Marc Glisse <glisse at gcc dot gnu.org> ---
Please try gcc-4.8.x, 4.4 hasn't been supported for several years.
If a file is too large to attach, you can compress it.
Also, please export LC_ALL=C to avoid German messages.
^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug c++/59742] compilation failed for package ‘RcppEigen’
2014-01-09 20:15 [Bug c++/59742] New: compilation failed for package ‘RcppEigen’ patrik.dinnetz at sh dot se
2014-01-09 20:53 ` [Bug c++/59742] " patrik.dinnetz at sh dot se
2014-01-09 21:09 ` glisse at gcc dot gnu.org
@ 2014-01-15 0:51 ` pinskia at gcc dot gnu.org
2014-01-15 9:04 ` redi at gcc dot gnu.org
2014-01-15 15:31 ` patrik.dinnetz at sh dot se
4 siblings, 0 replies; 6+ messages in thread
From: pinskia at gcc dot gnu.org @ 2014-01-15 0:51 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59742
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |WAITING
Last reconfirmed| |2014-01-15
Ever confirmed|0 |1
--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
>g++: internt kompilatorfel: Dödad (program cc1plus)
How much memory do you have installed or even how much swap space do you have?
cc1plus is being killed by the kernel due to out of memory.
>From gcc-bugs-return-440379-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Wed Jan 15 00:53:57 2014
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From: "ppluzhnikov at google dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/59818] New: [4.9 regression] Bogus error: call of overloaded .... is ambiguous
Date: Wed, 15 Jan 2014 00:53:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?idY818
Bug ID: 59818
Summary: [4.9 regression] Bogus error: call of overloaded ....
is ambiguous
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: ppluzhnikov at google dot com
This is caused by r197790 (fix for PR c++/23055).
Google ref: b/12471166
/// --- cut ---
template <class T>
struct Identity {
typedef T type;
};
struct Foo {
template <typename T>
Foo(T*, void (Identity<T>::type::*m)(void));
template <typename T>
Foo(const T*, void (Identity<T>::type::*m)(void) const);
};
struct Bar {
void Method(void) const;
};
void Bar::Method(void) const
{
Foo foo(this, &Bar::Method);
}
/// --- cut ---
Using g++ (GCC) 4.9.0 20140110 (experimental)
g++ -c t.cc
t.cc: In member function 'void Bar::Method() const':
t.cc:20:29: error: call of overloaded 'Foo(const Bar*, void (Bar::*)() const)'
is ambiguous
Foo foo(this, &Bar::Method);
^
t.cc:20:29: note: candidates are:
t.cc:11:3: note: Foo::Foo(const T*, void (Identity<T>::type::*)() const) [with
T = Bar; typename Identity<T>::type = Bar]
Foo(const T*, void (Identity<T>::type::*m)(void) const);
^
t.cc:8:3: note: Foo::Foo(T*, void (Identity<T>::type::*)()) [with T = const
Bar; typename Identity<T>::type = const Bar]
Foo(T*, void (Identity<T>::type::*m)(void));
^
Replacing 'Identity<T>::type' with 'T' makes the problem go away.
Source accepted by gcc-4.8 and Clang.
^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug c++/59742] compilation failed for package ‘RcppEigen’
2014-01-09 20:15 [Bug c++/59742] New: compilation failed for package ‘RcppEigen’ patrik.dinnetz at sh dot se
` (2 preceding siblings ...)
2014-01-15 0:51 ` pinskia at gcc dot gnu.org
@ 2014-01-15 9:04 ` redi at gcc dot gnu.org
2014-01-15 15:31 ` patrik.dinnetz at sh dot se
4 siblings, 0 replies; 6+ messages in thread
From: redi at gcc dot gnu.org @ 2014-01-15 9:04 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59742
Jonathan Wakely <redi at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|WAITING |RESOLVED
Resolution|--- |INVALID
--- Comment #5 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Not a GCC bug then.
^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug c++/59742] compilation failed for package ‘RcppEigen’
2014-01-09 20:15 [Bug c++/59742] New: compilation failed for package ‘RcppEigen’ patrik.dinnetz at sh dot se
` (3 preceding siblings ...)
2014-01-15 9:04 ` redi at gcc dot gnu.org
@ 2014-01-15 15:31 ` patrik.dinnetz at sh dot se
4 siblings, 0 replies; 6+ messages in thread
From: patrik.dinnetz at sh dot se @ 2014-01-15 15:31 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59742
--- Comment #6 from patrikdinnetz <patrik.dinnetz at sh dot se> ---
Probably not./Patrik
-----"redi at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> skrev: -----Till:
Patrik Dinnétz/Personal/Sodertorn@Sodertorn
Från: "redi at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
Datum: 01/15/2014 10:04FM
Ärende: [Bug c++/59742] compilation failed for package ‘RcppEigen’
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59742
Jonathan Wakely <redi at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|WAITING |RESOLVED
Resolution|--- |INVALID
--- Comment #5 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Not a GCC bug then.
--
You are receiving this mail because:
You reported the bug.
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Subject: [Bug testsuite/59808] [4.9 Regression] r206596 caused: FAIL: gcc.target/i386/sse-14.c (test for excess errors)
Date: Wed, 15 Jan 2014 15:35:00 -0000
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--- Comment #9 from Uroš Bizjak <ubizjak at gmail dot com> ---
(In reply to Kirill Yukhin from comment #7)
> Author: kyukhin
> Date: Wed Jan 15 12:01:08 2014
> New Revision: 206629
>
> URL: http://gcc.gnu.org/viewcvs?rev=206629&root=gcc&view=rev
> Log:
> PR target/59808
> * gcc.target/i386/sse-12.c: Add `-mavx512[cd, er, pf]' options.
> * gcc.target/i386/sse-14.c: Fix PR59808.
This is not a good ChangeLog entry. You should say somethin along
* gcc.target/i386/sse-14.c: Update constant avx512erintrin.h tests.
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Subject: [Bug testsuite/59808] [4.9 Regression] r206596 caused: FAIL: gcc.target/i386/sse-14.c (test for excess errors)
Date: Wed, 15 Jan 2014 15:35:00 -0000
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--- Comment #10 from Uroš Bizjak <ubizjak at gmail dot com> ---
(In reply to Uroš Bizjak from comment #9)
> This is not a good ChangeLog entry. You should say somethin along
>
> * gcc.target/i386/sse-14.c: Update constant avx512erintrin.h tests.
* gcc.target/i386/sse-14.c: Update constants for avx512erintrin.h tests.
>From gcc-bugs-return-440458-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Wed Jan 15 15:36:37 2014
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From: "lin90162 at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/59829] New: Calling vector::data() occurs undefined behavior when the vector is empty
Date: Wed, 15 Jan 2014 15:36:00 -0000
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Bug ID: 59829
Summary: Calling vector::data() occurs undefined behavior when
the vector is empty
Product: gcc
Version: 4.8.2
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: lin90162 at gmail dot com
When vector is empty, calling vector::data() occurs undefined behavior by
dereferencing NULL.
The implementation of vector::data() and vector::front() in libstdc++ are below
/// BEGIN OF CODE
reference
front()
{ return *begin(); }
const_reference
front() const
{ return *begin(); }
data() _GLIBCXX_NOEXCEPT
{ return std::__addressof(front()); }
data() _GLIBCXX_NOEXCEPT
{ return std::__addressof(front()); }
/// END OF CODE
Here, when vector is empty, begin() is called, then begin() returns NULL and it
is dereferenced.
N3337 23.3.6.4 says "Returns: A pointer such that [data(),data() + size()) is a
valid range. For a non-empty vector, data() == &front()".
It means that calling vector::data() is well-defined even if vector is empty.
As additional information, libc++ implementation of vector::data() can be
called safely when vector is empty.
^ permalink raw reply [flat|nested] 6+ messages in thread