c/9944: gcc does not warn for always-false "if (!a & 0x4)" bitwise and on boolean value

[John Levon]

The following reply was made to PR c/9944; it has been noted by GNATS.

From: John Levon <levon@movementarian.org>
To: gcc-gnats@gcc.gnu.org
Cc:  
Subject: Re: c/9944: gcc does not warn for always-false "if (!a & 0x4)" bitwise and on boolean value
Date: Fri, 21 Mar 2003 01:42:56 +0000

 On Tue, Mar 04, 2003 at 07:44:31PM -0000, levon@movementarian.org wrote:
 
 >      if (!a & 0x4)  // really meant if (!(a & 0x4))
 
 Patch:
 
 http://gcc.gnu.org/ml/gcc-patches/2003-03/msg01856.html
 
 john