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Re: aliasing warnings [patch]

To: Mark Mitchell <mark at codesourcery dot com>
Subject: Re: aliasing warnings [patch]
From: Richard Henderson <rth at cygnus dot com>
Date: Thu, 16 Sep 1999 13:59:40 -0700
Cc: zack at bitmover dot com, jason at cygnus dot com, egcs at egcs dot cygnus dot com, egcs-patches at egcs dot cygnus dot com
References: <u9wvtqemw1.fsf@yorick.cygnus.com> <jason@cygnus.com> <199909161938.MAA15782@zack.bitmover.com> <19990916130752U.mitchell@codesourcery.com>

On Thu, Sep 16, 1999 at 01:07:52PM -0700, Mark Mitchell wrote:
> The underlying type of the fields is `char' and
> you're putting `int' into them.  That's no different than:
> 
>   char c[4];
>   *((int *) &c[0]) = 3;

Modulo the alignment argument, isn't this really ok?  
True, the variable has `char' type, but the storage
is only accessed as `int'.

r~

Follow-Ups:
- Re: aliasing warnings [patch]
  - From: Joern Rennecke
- Re: aliasing warnings [patch]
  - From: Mark Mitchell

References:
- Re: aliasing warnings [patch]
  - From: Jason Merrill
- Re: aliasing warnings [patch]
  - From: Zack Weinberg
- Re: aliasing warnings [patch]
  - From: Mark Mitchell

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