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* [Bug c++/51507] New: [C++0x] Function parameter pack doesn't use in template-argument-list @ 2011-12-12 7:01 digital-ghost_tsundere at hotmail dot co.jp 2011-12-22 16:07 ` [Bug c++/51507] " jason at gcc dot gnu.org ` (2 more replies) 0 siblings, 3 replies; 4+ messages in thread From: digital-ghost_tsundere at hotmail dot co.jp @ 2011-12-12 7:01 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51507 Bug #: 51507 Summary: [C++0x] Function parameter pack doesn't use in template-argument-list Classification: Unclassified Product: gcc Version: 4.6.2 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ AssignedTo: unassigned@gcc.gnu.org ReportedBy: digital-ghost_tsundere@hotmail.co.jp Following code cannot compile with gcc: template<typename ...> struct foo { typedef void type; }; template<typename ...Ts> auto g(Ts ...ts)-> typename foo<decltype(ts)...>::type {} int main() { g(42); } Error: test1.cpp: In function 'int main()': test1.cpp:8:9: error: expansion pattern 'int' contains no argument packs test1.cpp:8:9: error: no matching function for call to 'g(int)' test1.cpp:8:9: note: candidate is: test1.cpp:4:6: note: template<class ... Ts> typename foo<decltype (ts)...>::type g(Ts ...) I think decltype(fs()) is a valid template-argument pattern for foo. ^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug c++/51507] [C++0x] Function parameter pack doesn't use in template-argument-list 2011-12-12 7:01 [Bug c++/51507] New: [C++0x] Function parameter pack doesn't use in template-argument-list digital-ghost_tsundere at hotmail dot co.jp @ 2011-12-22 16:07 ` jason at gcc dot gnu.org 2011-12-23 22:09 ` jason at gcc dot gnu.org 2011-12-23 23:03 ` jason at gcc dot gnu.org 2 siblings, 0 replies; 4+ messages in thread From: jason at gcc dot gnu.org @ 2011-12-22 16:07 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51507 Jason Merrill <jason at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |ASSIGNED Last reconfirmed| |2011-12-22 CC| |jason at gcc dot gnu.org AssignedTo|unassigned at gcc dot |jason at gcc dot gnu.org |gnu.org | Ever Confirmed|0 |1 ^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug c++/51507] [C++0x] Function parameter pack doesn't use in template-argument-list 2011-12-12 7:01 [Bug c++/51507] New: [C++0x] Function parameter pack doesn't use in template-argument-list digital-ghost_tsundere at hotmail dot co.jp 2011-12-22 16:07 ` [Bug c++/51507] " jason at gcc dot gnu.org @ 2011-12-23 22:09 ` jason at gcc dot gnu.org 2011-12-23 23:03 ` jason at gcc dot gnu.org 2 siblings, 0 replies; 4+ messages in thread From: jason at gcc dot gnu.org @ 2011-12-23 22:09 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51507 --- Comment #1 from Jason Merrill <jason at gcc dot gnu.org> 2011-12-23 22:00:21 UTC --- Author: jason Date: Fri Dec 23 22:00:13 2011 New Revision: 182668 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=182668 Log: PR c++/51507 * search.c (at_function_scope_p): Also check cfun. * pt.c (tsubst_pack_expansion): Check it instead of cp_unevaluated_operand. (instantiate_template_1): Clear current_function_decl. Added: trunk/gcc/testsuite/g++.dg/cpp0x/variadic121.C Modified: trunk/gcc/cp/ChangeLog trunk/gcc/cp/pt.c trunk/gcc/cp/search.c trunk/gcc/testsuite/ChangeLog ^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug c++/51507] [C++0x] Function parameter pack doesn't use in template-argument-list 2011-12-12 7:01 [Bug c++/51507] New: [C++0x] Function parameter pack doesn't use in template-argument-list digital-ghost_tsundere at hotmail dot co.jp 2011-12-22 16:07 ` [Bug c++/51507] " jason at gcc dot gnu.org 2011-12-23 22:09 ` jason at gcc dot gnu.org @ 2011-12-23 23:03 ` jason at gcc dot gnu.org 2 siblings, 0 replies; 4+ messages in thread From: jason at gcc dot gnu.org @ 2011-12-23 23:03 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51507 Jason Merrill <jason at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution| |FIXED Target Milestone|--- |4.7.0 --- Comment #2 from Jason Merrill <jason at gcc dot gnu.org> 2011-12-23 22:10:33 UTC --- Fixed for 4.7. ^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2011-12-23 22:11 UTC | newest] Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2011-12-12 7:01 [Bug c++/51507] New: [C++0x] Function parameter pack doesn't use in template-argument-list digital-ghost_tsundere at hotmail dot co.jp 2011-12-22 16:07 ` [Bug c++/51507] " jason at gcc dot gnu.org 2011-12-23 22:09 ` jason at gcc dot gnu.org 2011-12-23 23:03 ` jason at gcc dot gnu.org
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