[Bug c++/82799] [8 Regression] -Wunused-but-set-variable false positive

2018-01-11 Thread jason at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82799

--- Comment #4 from Jason Merrill  ---
Author: jason
Date: Thu Jan 11 19:08:41 2018
New Revision: 256550

URL: https://gcc.gnu.org/viewcvs?rev=256550=gcc=rev
Log:
PR c++/82728 - wrong -Wunused-but-set-variable

PR c++/82799
PR c++/83690
* call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
* decl.c (case_conversion): Likewise.
* semantics.c (finish_static_assert): Call
perform_implicit_conversion_flags.

Added:
trunk/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-switch2.C
trunk/gcc/testsuite/g++.dg/warn/Wunused-var-27.C
trunk/gcc/testsuite/g++.dg/warn/Wunused-var-28.C
trunk/gcc/testsuite/g++.dg/warn/Wunused-var-29.C
Modified:
trunk/gcc/cp/ChangeLog
trunk/gcc/cp/call.c
trunk/gcc/cp/decl.c
trunk/gcc/cp/semantics.c

[Bug c++/82799] [8 Regression] -Wunused-but-set-variable false positive

2017-12-04 Thread jakub at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82799

Jakub Jelinek  changed:

   What|Removed |Added

 Status|NEW |RESOLVED
 Resolution|--- |DUPLICATE

--- Comment #3 from Jakub Jelinek  ---
Indeed, let's do it, but make sure we have both testcases in the testsuite
after the fix.

*** This bug has been marked as a duplicate of bug 82728 ***

[Bug c++/82799] [8 Regression] -Wunused-but-set-variable false positive

2017-12-04 Thread trippels at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82799

Markus Trippelsdorf  changed:

   What|Removed |Added

 CC||trippels at gcc dot gnu.org

--- Comment #2 from Markus Trippelsdorf  ---
Looks like a dup of PR82728.

[Bug c++/82799] [8 Regression] -Wunused-but-set-variable false positive

2017-11-16 Thread jakub at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82799

Jakub Jelinek  changed:

   What|Removed |Added

 Status|UNCONFIRMED |NEW
   Last reconfirmed||2017-11-16
 CC||jakub at gcc dot gnu.org,
   ||jason at gcc dot gnu.org
 Ever confirmed|0   |1

--- Comment #1 from Jakub Jelinek  ---
Started with r253266.

[Bug c++/82799] [8 Regression] -Wunused-but-set-variable false positive

2017-11-02 Thread rguenth at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82799

Richard Biener  changed:

   What|Removed |Added

   Target Milestone|--- |8.0