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* [Bug c++/49554] New: [4.7 Regression] [C++0x] lambda capture causes "cannot call member function ... without object" @ 2011-06-27 23:26 redi at gcc dot gnu.org 2011-06-27 23:27 ` [Bug c++/49554] " redi at gcc dot gnu.org ` (4 more replies) 0 siblings, 5 replies; 6+ messages in thread From: redi at gcc dot gnu.org @ 2011-06-27 23:26 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49554 Summary: [4.7 Regression] [C++0x] lambda capture causes "cannot call member function ... without object" Product: gcc Version: 4.7.0 Status: UNCONFIRMED Keywords: rejects-valid Severity: normal Priority: P3 Component: c++ AssignedTo: unassigned@gcc.gnu.org ReportedBy: redi@gcc.gnu.org CC: jason@gcc.gnu.org template<typename T> struct base { struct iterator { }; iterator begin(); }; template<typename T> class flist : public base<T> { typedef base<T> Base; typedef typename Base::iterator Base_iterator; public: void resize() { Base_iterator b = Base::begin(); [b](int i) { return i; }; } }; void test01() { flist<int> fl; fl.resize(); } objexpr.ii: In lambda function: objexpr.ii:22:6: required from ‘struct flist<T>::resize() [with T = int]::<lambda(int)>’ objexpr.ii:22:5: required from ‘void flist<T>::resize() [with T = int]’ objexpr.ii:29:13: required from here objexpr.ii:20:19: error: cannot call member function ‘base<T>::iterator base<T>::begin() [with T = int]’ without object If 'b' is not captured there's no error This breaks <debug/forward_list> in libstdc++ ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/49554] [4.7 Regression] [C++0x] lambda capture causes "cannot call member function ... without object" 2011-06-27 23:26 [Bug c++/49554] New: [4.7 Regression] [C++0x] lambda capture causes "cannot call member function ... without object" redi at gcc dot gnu.org @ 2011-06-27 23:27 ` redi at gcc dot gnu.org 2011-06-27 23:44 ` redi at gcc dot gnu.org ` (3 subsequent siblings) 4 siblings, 0 replies; 6+ messages in thread From: redi at gcc dot gnu.org @ 2011-06-27 23:27 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49554 --- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> 2011-06-27 23:26:44 UTC --- also, if 'b' is initialized like this it works: Base_iterator b = this->begin(); ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/49554] [4.7 Regression] [C++0x] lambda capture causes "cannot call member function ... without object" 2011-06-27 23:26 [Bug c++/49554] New: [4.7 Regression] [C++0x] lambda capture causes "cannot call member function ... without object" redi at gcc dot gnu.org 2011-06-27 23:27 ` [Bug c++/49554] " redi at gcc dot gnu.org @ 2011-06-27 23:44 ` redi at gcc dot gnu.org 2011-06-29 15:57 ` jason at gcc dot gnu.org ` (2 subsequent siblings) 4 siblings, 0 replies; 6+ messages in thread From: redi at gcc dot gnu.org @ 2011-06-27 23:44 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49554 --- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> 2011-06-27 23:44:05 UTC --- No error for this version: Base_iterator b; b = Base::begin(); [b](int i) { return i; }; ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/49554] [4.7 Regression] [C++0x] lambda capture causes "cannot call member function ... without object" 2011-06-27 23:26 [Bug c++/49554] New: [4.7 Regression] [C++0x] lambda capture causes "cannot call member function ... without object" redi at gcc dot gnu.org 2011-06-27 23:27 ` [Bug c++/49554] " redi at gcc dot gnu.org 2011-06-27 23:44 ` redi at gcc dot gnu.org @ 2011-06-29 15:57 ` jason at gcc dot gnu.org 2011-06-29 17:15 ` jason at gcc dot gnu.org 2011-06-29 17:27 ` jason at gcc dot gnu.org 4 siblings, 0 replies; 6+ messages in thread From: jason at gcc dot gnu.org @ 2011-06-29 15:57 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49554 Jason Merrill <jason at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |ASSIGNED Last reconfirmed| |2011.06.29 15:56:40 AssignedTo|unassigned at gcc dot |jason at gcc dot gnu.org |gnu.org | Ever Confirmed|0 |1 ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/49554] [4.7 Regression] [C++0x] lambda capture causes "cannot call member function ... without object" 2011-06-27 23:26 [Bug c++/49554] New: [4.7 Regression] [C++0x] lambda capture causes "cannot call member function ... without object" redi at gcc dot gnu.org ` (2 preceding siblings ...) 2011-06-29 15:57 ` jason at gcc dot gnu.org @ 2011-06-29 17:15 ` jason at gcc dot gnu.org 2011-06-29 17:27 ` jason at gcc dot gnu.org 4 siblings, 0 replies; 6+ messages in thread From: jason at gcc dot gnu.org @ 2011-06-29 17:15 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49554 --- Comment #3 from Jason Merrill <jason at gcc dot gnu.org> 2011-06-29 17:15:11 UTC --- Author: jason Date: Wed Jun 29 17:15:06 2011 New Revision: 175657 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=175657 Log: PR c++/49554 * semantics.c (lambda_proxy_type): New. (build_capture_proxy): Use it. * cp-tree.h (DECLTYPE_FOR_LAMBDA_PROXY): New. * pt.c (tsubst) [DECLTYPE_TYPE]: Use them. Added: trunk/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-template3.C Modified: trunk/gcc/cp/ChangeLog trunk/gcc/cp/cp-tree.h trunk/gcc/cp/pt.c trunk/gcc/cp/semantics.c trunk/gcc/testsuite/ChangeLog ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/49554] [4.7 Regression] [C++0x] lambda capture causes "cannot call member function ... without object" 2011-06-27 23:26 [Bug c++/49554] New: [4.7 Regression] [C++0x] lambda capture causes "cannot call member function ... without object" redi at gcc dot gnu.org ` (3 preceding siblings ...) 2011-06-29 17:15 ` jason at gcc dot gnu.org @ 2011-06-29 17:27 ` jason at gcc dot gnu.org 4 siblings, 0 replies; 6+ messages in thread From: jason at gcc dot gnu.org @ 2011-06-29 17:27 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49554 Jason Merrill <jason at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution| |FIXED Target Milestone|--- |4.7.0 --- Comment #4 from Jason Merrill <jason at gcc dot gnu.org> 2011-06-29 17:26:50 UTC --- Fixed. ^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2011-06-29 17:27 UTC | newest] Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2011-06-27 23:26 [Bug c++/49554] New: [4.7 Regression] [C++0x] lambda capture causes "cannot call member function ... without object" redi at gcc dot gnu.org 2011-06-27 23:27 ` [Bug c++/49554] " redi at gcc dot gnu.org 2011-06-27 23:44 ` redi at gcc dot gnu.org 2011-06-29 15:57 ` jason at gcc dot gnu.org 2011-06-29 17:15 ` jason at gcc dot gnu.org 2011-06-29 17:27 ` jason at gcc dot gnu.org
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