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Re: volatile semantics

From: Paul Koning <pkoning at equallogic dot com>
To: kaih at khms dot westfalen dot de
Cc: gcc at gcc dot gnu dot org
Date: Thu, 5 May 2005 20:45:16 -0400
Subject: Re: volatile semantics
References: <851D2CB0-93DF-4C49-A6A8-8895DB1A08F9@apple.com><42778D99.7070904@codesourcery.com><9WGhhPLmw-B@khms.westfalen.de>

>>>>> "Kai" == Kai Henningsen <kaih@khms.westfalen.de> writes:

 Kai> As a QOI issue, it would be nice if such a situation caused a
 Kai> warning ("ignoring volatile cast ..." or something like that).

 Kai> It's rather dangerous to have the user believe that this worked
 Kai> as intended when it didn't.

Definitely.  We already have warnings for "this doesn't do what you
thought" -- like "statement has no effect" if you type == where = was
intended.  Ignoring volatile is at least as deserving of a warning,
and probably more so, because the bugs created by that action are more
subtle.

	paul

References:
- volatile semantics
  - From: Mike Stump
- Re: volatile semantics
  - From: Nathan Sidwell
- Re: volatile semantics
  - From: Kai Henningsen

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