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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
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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
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