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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
                   ` (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
  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
                   ` (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)
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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
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