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[Bug c/18050] -Wsequence-point reports false positives
- From: "schwab at suse dot de" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 22 Mar 2006 13:08:46 -0000
- Subject: [Bug c/18050] -Wsequence-point reports false positives
- References: <bug-18050-4370@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #9 from schwab at suse dot de 2006-03-22 13:08 -------
(In reply to comment #8)
> i = (i += 1);
>
> where for i += 1 the next sequence point is the i = ... assigment?
The next sequence point is the semicolon.
> Of course for the particular testcase the ordering of the two stores
> does not matter. Would int i=0; i = ++i + 1; be able to result in
> i == 1?
Yes, the side effects of = and ++ can be performed in either order.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18050