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Re: Warning flag for 'if (x = y)'
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Re: Warning flag for 'if (x = y)'


  • Subject: Re: Warning flag for 'if (x = y)'
  • From: Alastair Houghton <email@hidden>
  • Date: Fri, 16 Jan 2004 19:03:52 +0000

On 16 Jan 2004, at 18:00, Matt Gough wrote:

> I just spent half an hour tracking down a bug caused by doing:
>
> if (x = y)
>
> when I meant:
>
> if (x == y)
>
> I then spent another ten minutes looking through the gcc warning
> options and couldn't find anything that would spot this. I am sure
> such a warning exists, but where?

The warning flag you are after is -Wparentheses.  Personally, I use
-Wall, which includes this warning by default; you might be using
-Wmost, which doesn't.

Kind regards,

Alastair.

[demime 0.98b removed an attachment of type application/pkcs7-signature which had a name of smime.p7s]
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  • Follow-Ups:
    • Re: Warning flag for 'if (x = y)'
      • From: Prachi Gauriar <email@hidden>
References: 
 >Warning flag for 'if (x = y)' (From: Matt Gough <email@hidden>)

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