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* [Bug c++/48586] New: missing no return warning in template operator
@ 2011-04-13  7:03 flast at flast dot jp
  2011-04-13  7:37 ` [Bug c++/48586] " redi at gcc dot gnu.org
  0 siblings, 1 reply; 2+ messages in thread
From: flast at flast dot jp @ 2011-04-13  7:03 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48586

           Summary: missing no return warning in template operator
           Product: gcc
           Version: 4.4.4
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: flast@flast.jp


GCC missing no return warning in template operator that's return type depends
template parameter.

---- testcase.C ----
template < typename T >
T &
operator+=( T &, int )
{
}
--------

I expect following warning message.
----
testcase.C: In function 'T& operator+=(T&, int)':
testcase.C:5:1: warning: no return statement in function returning non-void
[-Wreturn-type]
----

All of following versions are missing warning.
Ubuntu/Linaro 4.4.4-14ubuntu5
4.5.2
4.5.3 20110324
4.6.0
4.6.1 20110325
4.7.0 20110402


^ permalink raw reply	[flat|nested] 2+ messages in thread
* [Bug c++/48586] missing no return warning in template operator
  2011-04-13  7:03 [Bug c++/48586] New: missing no return warning in template operator flast at flast dot jp
@ 2011-04-13  7:37 ` redi at gcc dot gnu.org
  0 siblings, 0 replies; 2+ messages in thread
From: redi at gcc dot gnu.org @ 2011-04-13  7:37 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48586

Jonathan Wakely <redi at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |diagnostic
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2011.04.13 07:37:23
     Ever Confirmed|0                           |1
           Severity|normal                      |enhancement

--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> 2011-04-13 07:37:23 UTC ---
you get a warning when the template is instantiated, but it would be better to
get the warning earlier


^ permalink raw reply	[flat|nested] 2+ messages in thread
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2011-04-13  7:03 [Bug c++/48586] New: missing no return warning in template operator flast at flast dot jp
2011-04-13  7:37 ` [Bug c++/48586] " redi at gcc dot gnu.org

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