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* [Bug c++/49482] New: [regression][4.6.1-RC-20110620][C++0x] unused parameter warning on lambda in function template
@ 2011-06-21 7:31 gintensubaru at gmail dot com
2011-06-21 19:59 ` [Bug c++/49482] [4.6/4.7 regression][C++0x] " jason at gcc dot gnu.org
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: gintensubaru at gmail dot com @ 2011-06-21 7:31 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49482
Summary: [regression][4.6.1-RC-20110620][C++0x] unused
parameter warning on lambda in function template
Product: gcc
Version: 4.6.1
Status: UNCONFIRMED
Severity: minor
Priority: P3
Component: c++
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: gintensubaru@gmail.com
testsuite (bug.cc):
template<class T>
void f() {
[]( bool b ){ return b; };
}
int main()
{
f<int>();
}
message:
bug.cc: In static member function 'static bool f() [with T =
int]::<lambda(bool)
>::_FUN(bool)':
bug.cc:3:4: instantiated from 'f() [with T = int]::<lambda(bool)>'
bug.cc:3:3: instantiated from 'void f() [with T = int]'
bug.cc:8:10: instantiated from here
bug.cc:3:14: warning: parameter 'b' set but not used
[-Wunused-but-set-parameter
]
version:
gcc-4.6.1-RC-20110620
note:
gcc-4.6-20110527 doesn't raise such a warning.
^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug c++/49482] [4.6/4.7 regression][C++0x] unused parameter warning on lambda in function template 2011-06-21 7:31 [Bug c++/49482] New: [regression][4.6.1-RC-20110620][C++0x] unused parameter warning on lambda in function template gintensubaru at gmail dot com @ 2011-06-21 19:59 ` jason at gcc dot gnu.org 2011-06-21 20:00 ` jason at gcc dot gnu.org ` (3 subsequent siblings) 4 siblings, 0 replies; 6+ messages in thread From: jason at gcc dot gnu.org @ 2011-06-21 19:59 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49482 Jason Merrill <jason at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |ASSIGNED Last reconfirmed| |2011.06.21 19:59:12 CC| |jason at gcc dot gnu.org AssignedTo|unassigned at gcc dot |jason at gcc dot gnu.org |gnu.org | Summary|[regression][4.6.1-RC-20110 |[4.6/4.7 regression][C++0x] |620][C++0x] unused |unused parameter warning on |parameter warning on lambda |lambda in function template |in function template | Ever Confirmed|0 |1 ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/49482] [4.6/4.7 regression][C++0x] unused parameter warning on lambda in function template 2011-06-21 7:31 [Bug c++/49482] New: [regression][4.6.1-RC-20110620][C++0x] unused parameter warning on lambda in function template gintensubaru at gmail dot com 2011-06-21 19:59 ` [Bug c++/49482] [4.6/4.7 regression][C++0x] " jason at gcc dot gnu.org @ 2011-06-21 20:00 ` jason at gcc dot gnu.org 2011-06-21 20:08 ` jason at gcc dot gnu.org ` (2 subsequent siblings) 4 siblings, 0 replies; 6+ messages in thread From: jason at gcc dot gnu.org @ 2011-06-21 20:00 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49482 Jason Merrill <jason at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |jakub at gcc dot gnu.org --- Comment #1 from Jason Merrill <jason at gcc dot gnu.org> 2011-06-21 19:59:52 UTC --- This is a minor regression relative to 4.6.0 with a trivial fix I'm testing now. ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/49482] [4.6/4.7 regression][C++0x] unused parameter warning on lambda in function template 2011-06-21 7:31 [Bug c++/49482] New: [regression][4.6.1-RC-20110620][C++0x] unused parameter warning on lambda in function template gintensubaru at gmail dot com 2011-06-21 19:59 ` [Bug c++/49482] [4.6/4.7 regression][C++0x] " jason at gcc dot gnu.org 2011-06-21 20:00 ` jason at gcc dot gnu.org @ 2011-06-21 20:08 ` jason at gcc dot gnu.org 2011-06-21 20:08 ` jason at gcc dot gnu.org 2011-06-21 20:11 ` jason at gcc dot gnu.org 4 siblings, 0 replies; 6+ messages in thread From: jason at gcc dot gnu.org @ 2011-06-21 20:08 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49482 --- Comment #3 from Jason Merrill <jason at gcc dot gnu.org> 2011-06-21 20:08:05 UTC --- Author: jason Date: Tue Jun 21 20:08:01 2011 New Revision: 175274 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=175274 Log: PR c++/49482 * semantics.c (maybe_add_lambda_conv_op): Call mark_exp_read for static fn parameters. Added: branches/gcc-4_6-branch/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-warn3.C Modified: branches/gcc-4_6-branch/gcc/cp/ChangeLog branches/gcc-4_6-branch/gcc/cp/semantics.c branches/gcc-4_6-branch/gcc/testsuite/ChangeLog ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/49482] [4.6/4.7 regression][C++0x] unused parameter warning on lambda in function template 2011-06-21 7:31 [Bug c++/49482] New: [regression][4.6.1-RC-20110620][C++0x] unused parameter warning on lambda in function template gintensubaru at gmail dot com ` (2 preceding siblings ...) 2011-06-21 20:08 ` jason at gcc dot gnu.org @ 2011-06-21 20:08 ` jason at gcc dot gnu.org 2011-06-21 20:11 ` jason at gcc dot gnu.org 4 siblings, 0 replies; 6+ messages in thread From: jason at gcc dot gnu.org @ 2011-06-21 20:08 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49482 --- Comment #2 from Jason Merrill <jason at gcc dot gnu.org> 2011-06-21 20:07:49 UTC --- Author: jason Date: Tue Jun 21 20:07:45 2011 New Revision: 175273 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=175273 Log: PR c++/49482 * semantics.c (maybe_add_lambda_conv_op): Call mark_exp_read for static fn parameters. Added: trunk/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-warn3.C Modified: trunk/gcc/cp/ChangeLog trunk/gcc/cp/semantics.c trunk/gcc/testsuite/ChangeLog ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/49482] [4.6/4.7 regression][C++0x] unused parameter warning on lambda in function template 2011-06-21 7:31 [Bug c++/49482] New: [regression][4.6.1-RC-20110620][C++0x] unused parameter warning on lambda in function template gintensubaru at gmail dot com ` (3 preceding siblings ...) 2011-06-21 20:08 ` jason at gcc dot gnu.org @ 2011-06-21 20:11 ` jason at gcc dot gnu.org 4 siblings, 0 replies; 6+ messages in thread From: jason at gcc dot gnu.org @ 2011-06-21 20:11 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49482 Jason Merrill <jason at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution| |FIXED Target Milestone|--- |4.6.1 --- Comment #4 from Jason Merrill <jason at gcc dot gnu.org> 2011-06-21 20:08:57 UTC --- Fixed for 4.6.1. ^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2011-06-21 20:11 UTC | newest] Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2011-06-21 7:31 [Bug c++/49482] New: [regression][4.6.1-RC-20110620][C++0x] unused parameter warning on lambda in function template gintensubaru at gmail dot com 2011-06-21 19:59 ` [Bug c++/49482] [4.6/4.7 regression][C++0x] " jason at gcc dot gnu.org 2011-06-21 20:00 ` jason at gcc dot gnu.org 2011-06-21 20:08 ` jason at gcc dot gnu.org 2011-06-21 20:08 ` jason at gcc dot gnu.org 2011-06-21 20:11 ` jason at gcc dot gnu.org
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