[Bug c++/45278] -Wextra doesn't warn about (pointer < 0 ).

[paolo at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45278

--- Comment #3 from paolo at gcc dot gnu.org <paolo at gcc dot gnu.org> 2011-09-28 22:04:51 UTC ---
Author: paolo
Date: Wed Sep 28 22:04:48 2011
New Revision: 179321

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=179321
Log:
/cp
2011-09-28  Paolo Carlini  <paolo.carlini@oracle.com>

    PR c++/45278
    * typeck.c (cp_build_binary_op): With -Wextra, warn for ordered
    comparison of pointer with zero.

/testsuite
2011-09-28  Paolo Carlini  <paolo.carlini@oracle.com>

    PR c++/45278
    * g++.dg/warn/Wextra-3.C: New.


Added:
    trunk/gcc/testsuite/g++.dg/warn/Wextra-3.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/typeck.c
    trunk/gcc/testsuite/ChangeLog