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* [Bug c++/57471] New: [C++11] Bizarre error for template parameter pack
@ 2013-05-30 12:34 ai.azuma at gmail dot com
2013-06-03 22:53 ` [Bug c++/57471] [4.9 Regression] " paolo.carlini at oracle dot com
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: ai.azuma at gmail dot com @ 2013-05-30 12:34 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57471
Bug ID: 57471
Summary: [C++11] Bizarre error for template parameter pack
Product: gcc
Version: 4.9.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: ai.azuma at gmail dot com
Created attachment 30226
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30226&action=edit
Output of -v option and preprocessed source
GCC 4.9.0 20130526 rejects the following valid code.
//-----------------------------------------
struct A
{
static constexpr bool value = true;
};
template<typename... Types>
struct B
{
static_assert(A::value, "");
static_assert(sizeof...(Types) == 0, "");
};
//-----------------------------------------
The error message is;
main.cpp:10:27: error: 'A::Types' has not been declared
static_assert(sizeof...(Types) == 0, "");
^
The above code successfully compiles with 4.7.4 20130525 and 4.8.1 20130523.
^ permalink raw reply [flat|nested] 5+ messages in thread* [Bug c++/57471] [4.9 Regression] Bizarre error for template parameter pack 2013-05-30 12:34 [Bug c++/57471] New: [C++11] Bizarre error for template parameter pack ai.azuma at gmail dot com @ 2013-06-03 22:53 ` paolo.carlini at oracle dot com 2013-06-03 23:50 ` paolo.carlini at oracle dot com ` (2 subsequent siblings) 3 siblings, 0 replies; 5+ messages in thread From: paolo.carlini at oracle dot com @ 2013-06-03 22:53 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57471 Paolo Carlini <paolo.carlini at oracle dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2013-06-03 Summary|[C++11] Bizarre error for |[4.9 Regression] Bizarre |template parameter pack |error for template | |parameter pack Ever confirmed|0 |1 ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug c++/57471] [4.9 Regression] Bizarre error for template parameter pack 2013-05-30 12:34 [Bug c++/57471] New: [C++11] Bizarre error for template parameter pack ai.azuma at gmail dot com 2013-06-03 22:53 ` [Bug c++/57471] [4.9 Regression] " paolo.carlini at oracle dot com @ 2013-06-03 23:50 ` paolo.carlini at oracle dot com 2013-07-09 19:46 ` jason at gcc dot gnu.org 2014-01-02 19:30 ` ppluzhnikov at gcc dot gnu.org 3 siblings, 0 replies; 5+ messages in thread From: paolo.carlini at oracle dot com @ 2013-06-03 23:50 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57471 Paolo Carlini <paolo.carlini at oracle dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |jason at gcc dot gnu.org --- Comment #1 from Paolo Carlini <paolo.carlini at oracle dot com> --- Regressed withe the fix for PR c++/56679. ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug c++/57471] [4.9 Regression] Bizarre error for template parameter pack 2013-05-30 12:34 [Bug c++/57471] New: [C++11] Bizarre error for template parameter pack ai.azuma at gmail dot com 2013-06-03 22:53 ` [Bug c++/57471] [4.9 Regression] " paolo.carlini at oracle dot com 2013-06-03 23:50 ` paolo.carlini at oracle dot com @ 2013-07-09 19:46 ` jason at gcc dot gnu.org 2014-01-02 19:30 ` ppluzhnikov at gcc dot gnu.org 3 siblings, 0 replies; 5+ messages in thread From: jason at gcc dot gnu.org @ 2013-07-09 19:46 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57471 Jason Merrill <jason at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |ASSIGNED Assignee|unassigned at gcc dot gnu.org |jason at gcc dot gnu.org ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug c++/57471] [4.9 Regression] Bizarre error for template parameter pack 2013-05-30 12:34 [Bug c++/57471] New: [C++11] Bizarre error for template parameter pack ai.azuma at gmail dot com ` (2 preceding siblings ...) 2013-07-09 19:46 ` jason at gcc dot gnu.org @ 2014-01-02 19:30 ` ppluzhnikov at gcc dot gnu.org 3 siblings, 0 replies; 5+ messages in thread From: ppluzhnikov at gcc dot gnu.org @ 2014-01-02 19:30 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57471 --- Comment #3 from ppluzhnikov at gcc dot gnu.org --- Author: ppluzhnikov Date: Thu Jan 2 19:29:57 2014 New Revision: 206285 URL: http://gcc.gnu.org/viewcvs?rev=206285&root=gcc&view=rev Log: For Google b/11970432, backport r200852 to fix PR57471. 2013-07-09 Jason Merrill <jason@redhat.com> PR c++/57471 * parser.c (cp_parser_sizeof_pack): Clear parser scopes. Added: branches/google/gcc-4_8/gcc/testsuite/g++.dg/cpp0x/variadic-sizeof2.C Modified: branches/google/gcc-4_8/gcc/cp/parser.c ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2014-01-02 19:30 UTC | newest] Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2013-05-30 12:34 [Bug c++/57471] New: [C++11] Bizarre error for template parameter pack ai.azuma at gmail dot com 2013-06-03 22:53 ` [Bug c++/57471] [4.9 Regression] " paolo.carlini at oracle dot com 2013-06-03 23:50 ` paolo.carlini at oracle dot com 2013-07-09 19:46 ` jason at gcc dot gnu.org 2014-01-02 19:30 ` ppluzhnikov at gcc dot gnu.org
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