[Bug c/17946] wanted: warning for "a && MASK" when "a & MASK" was probably intended

["mueller at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>]

------- Comment #13 from mueller at gcc dot gnu dot org  2007-03-09 16:16 -------
Subject: Bug 17946

Author: mueller
Date: Fri Mar  9 16:16:35 2007
New Revision: 122751

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=122751
Log:
2007-03-09  Dirk Mueller  <dmueller@suse.de>

       PR c++/17946
       * doc/invoke.texi (-Wlogical-op): Document.
       * common.opt (-Wlogical-op): New.
       * c-common.h (warn_logical_operator): Declare.
       * c-common.c (warn_logical_operator): Define.
       * c-typeck.c (parser_build_binary_op): Call
       warn_logical_operator.

       * cp/call.c (build_new_op): Call warn_logical_operator.

       * testsuite/gcc.dg/Wlogical-op-1.c: New.
       * testsuite/g++.dg/warn/Wlogical-op-1.C: New.

Added:
    trunk/gcc/testsuite/g++.dg/warn/Wlogical-op-1.C
    trunk/gcc/testsuite/gcc.dg/Wlogical-op-1.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/c-common.c
    trunk/gcc/c-common.h
    trunk/gcc/c-typeck.c
    trunk/gcc/common.opt
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/call.c
    trunk/gcc/doc/invoke.texi
    trunk/gcc/testsuite/ChangeLog


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17946