[Bug c++/84221] [6/7/8 Regression] spurious -Wunused warning on a variable of a template type declared unused

[jason at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84221

--- Comment #3 from Jason Merrill  ---
Author: jason
Date: Wed Apr  4 19:10:32 2018
New Revision: 259098

URL: https://gcc.gnu.org/viewcvs?rev=259098=gcc=rev
Log:
PR c++/84221 - bogus -Wunused with attribute and template.

* decl2.c (is_late_template_attribute): Handle unused and used
normally on non-TYPE_DECL.

Added:
trunk/gcc/testsuite/g++.dg/warn/Wunused-var-32.C
Modified:
trunk/gcc/cp/ChangeLog
trunk/gcc/cp/decl2.c

[Bug c++/84221] [6/7/8 Regression] spurious -Wunused warning on a variable of a template type declared unused

[jason at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84221

Jason Merrill  changed:

   What|Removed |Added

 Status|UNCONFIRMED |ASSIGNED
   Last reconfirmed||2018-04-04
 CC||jason at gcc dot gnu.org
   Assignee|unassigned at gcc dot gnu.org  |jason at gcc dot gnu.org
 Ever confirmed|0   |1

[Bug c++/84221] [6/7/8 Regression] spurious -Wunused warning on a variable of a template type declared unused

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84221

Richard Biener  changed:

   What|Removed |Added

   Priority|P3  |P2

[Bug c++/84221] [6/7/8 Regression] spurious -Wunused warning on a variable of a template type declared unused

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84221

Richard Biener  changed:

   What|Removed |Added

   Target Milestone|--- |6.5

[Bug c++/84221] [6/7/8 Regression] spurious -Wunused warning on a variable of a template type declared unused

[msebor at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84221

Martin Sebor  changed:

   What|Removed |Added

   See Also||https://gcc.gnu.org/bugzill
   ||a/show_bug.cgi?id=79667

--- Comment #2 from Martin Sebor  ---
See also bug 79667 for a problem with arrays of structs defined unused (that
one affects both C and C++).