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* [Bug c++/53783] New: [4.8 Regression] lambda in lambda in template function rejected @ 2012-06-26 22:53 lunow at math dot hu-berlin.de 2012-06-27 9:31 ` [Bug c++/53783] " rguenth at gcc dot gnu.org ` (3 more replies) 0 siblings, 4 replies; 5+ messages in thread From: lunow at math dot hu-berlin.de @ 2012-06-26 22:53 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53783 Bug #: 53783 Summary: [4.8 Regression] lambda in lambda in template function rejected Classification: Unclassified Product: gcc Version: 4.8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ AssignedTo: unassigned@gcc.gnu.org ReportedBy: lunow@math.hu-berlin.de The following valid program is rejected (using latest version from trunk) template <class> void foo() { [] { [] {}; }; } int main() { foo<void>(); } daniel@daniel-VirtualBox:~/projects/Code/gcctest$ /opt/gcc/trunk/bin/g++ -std=c++11 test.cpp test.cpp: In instantiation of ‘foo() [with <template-parameter-1-1> = void]::<lambda()>’: test.cpp:1:32: required from ‘struct foo() [with <template-parameter-1-1> = void]::<lambda()>’ test.cpp:1:31: required from ‘void foo() [with <template-parameter-1-1> = void]’ test.cpp:2:24: required from here test.cpp:1:36: error: use of ‘foo() [with <template-parameter-1-1> = void]::<lambda()>’ before deduction of ‘auto’ template <class> void foo() { [] { [] {}; }; } ^ test.cpp: In instantiation of ‘struct foo() [with <template-parameter-1-1> = void]::<lambda()>::<lambda()>’: test.cpp:1:36: required from ‘foo() [with <template-parameter-1-1> = void]::<lambda()>’ test.cpp:1:32: required from ‘struct foo() [with <template-parameter-1-1> = void]::<lambda()>’ test.cpp:1:31: required from ‘void foo() [with <template-parameter-1-1> = void]’ test.cpp:2:24: required from here test.cpp:1:37: error: use of ‘foo() [with <template-parameter-1-1> = void]::<lambda()>::<lambda()>’ before deduction of ‘auto’ template <class> void foo() { [] { [] {}; }; } ^ test.cpp:1:37: error: invalid use of ‘auto’ test.cpp:1:37: error: inconsistent deduction for ‘auto’: ‘auto’ and then ‘void’ ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug c++/53783] [4.8 Regression] lambda in lambda in template function rejected 2012-06-26 22:53 [Bug c++/53783] New: [4.8 Regression] lambda in lambda in template function rejected lunow at math dot hu-berlin.de @ 2012-06-27 9:31 ` rguenth at gcc dot gnu.org 2012-07-03 5:03 ` jason at gcc dot gnu.org ` (2 subsequent siblings) 3 siblings, 0 replies; 5+ messages in thread From: rguenth at gcc dot gnu.org @ 2012-06-27 9:31 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53783 Richard Guenther <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Target Milestone|--- |4.8.0 ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug c++/53783] [4.8 Regression] lambda in lambda in template function rejected 2012-06-26 22:53 [Bug c++/53783] New: [4.8 Regression] lambda in lambda in template function rejected lunow at math dot hu-berlin.de 2012-06-27 9:31 ` [Bug c++/53783] " rguenth at gcc dot gnu.org @ 2012-07-03 5:03 ` jason at gcc dot gnu.org 2012-07-03 5:06 ` jason at gcc dot gnu.org 2012-09-10 23:51 ` jason at gcc dot gnu.org 3 siblings, 0 replies; 5+ messages in thread From: jason at gcc dot gnu.org @ 2012-07-03 5:03 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53783 --- Comment #1 from Jason Merrill <jason at gcc dot gnu.org> 2012-07-03 05:03:28 UTC --- Author: jason Date: Tue Jul 3 05:03:21 2012 New Revision: 189190 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=189190 Log: PR c++/53783 * pt.c (tsubst_copy_and_build) [LAMBDA_EXPR]: Use tsubst for LAMBDA_EXPR_EXTRA_SCOPE. Added: trunk/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-template7.C Modified: trunk/gcc/cp/ChangeLog trunk/gcc/cp/pt.c trunk/gcc/testsuite/ChangeLog ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug c++/53783] [4.8 Regression] lambda in lambda in template function rejected 2012-06-26 22:53 [Bug c++/53783] New: [4.8 Regression] lambda in lambda in template function rejected lunow at math dot hu-berlin.de 2012-06-27 9:31 ` [Bug c++/53783] " rguenth at gcc dot gnu.org 2012-07-03 5:03 ` jason at gcc dot gnu.org @ 2012-07-03 5:06 ` jason at gcc dot gnu.org 2012-09-10 23:51 ` jason at gcc dot gnu.org 3 siblings, 0 replies; 5+ messages in thread From: jason at gcc dot gnu.org @ 2012-07-03 5:06 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53783 Jason Merrill <jason at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED CC| |jason at gcc dot gnu.org Resolution| |FIXED --- Comment #2 from Jason Merrill <jason at gcc dot gnu.org> 2012-07-03 05:06:30 UTC --- Fixed. ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug c++/53783] [4.8 Regression] lambda in lambda in template function rejected 2012-06-26 22:53 [Bug c++/53783] New: [4.8 Regression] lambda in lambda in template function rejected lunow at math dot hu-berlin.de ` (2 preceding siblings ...) 2012-07-03 5:06 ` jason at gcc dot gnu.org @ 2012-09-10 23:51 ` jason at gcc dot gnu.org 3 siblings, 0 replies; 5+ messages in thread From: jason at gcc dot gnu.org @ 2012-09-10 23:51 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53783 --- Comment #3 from Jason Merrill <jason at gcc dot gnu.org> 2012-09-10 23:51:41 UTC --- Author: jason Date: Mon Sep 10 23:51:34 2012 New Revision: 191164 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=191164 Log: PR c++/54538 PR c++/53783 * pt.c (tsubst_copy_and_build) [LAMBDA_EXPR]: Go back to using RECUR for LAMBDA_EXPR_EXTRA_SCOPE except for function scope. Added: trunk/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-mangle4.C Modified: trunk/gcc/cp/ChangeLog trunk/gcc/cp/pt.c trunk/gcc/testsuite/ChangeLog ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2012-09-10 23:51 UTC | newest] Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2012-06-26 22:53 [Bug c++/53783] New: [4.8 Regression] lambda in lambda in template function rejected lunow at math dot hu-berlin.de 2012-06-27 9:31 ` [Bug c++/53783] " rguenth at gcc dot gnu.org 2012-07-03 5:03 ` jason at gcc dot gnu.org 2012-07-03 5:06 ` jason at gcc dot gnu.org 2012-09-10 23:51 ` jason at gcc dot gnu.org
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