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Re: [wwwdocs] Document some gcc-6 changes
- From: Gerald Pfeifer <gerald at pfeifer dot com>
- To: Manuel López-Ibáñez <lopezibanez at gmail dot com>, David Malcolm <dmalcolm at redhat dot com>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Tue, 8 Sep 2015 19:25:28 +0200 (CEST)
- Subject: Re: [wwwdocs] Document some gcc-6 changes
- Authentication-results: sourceware.org; auth=none
- References: <CAESRpQCru07fmC6jffRNnbr7sxBraprC-9H=vSvtWLQDJeunHw at mail dot gmail dot com>
On Tue, 8 Sep 2015, Manuel LÃpez-IbÃÃez wrote:
> I also took the liberty of rewriting the list of new command-line
> options to be less repetitive.
Nice! (Aka "Thanks for doing this, please go ahead and commit.")
There is one question, but that is not introduced by your change:
Does the language now suggest that -Wshift-overflow=2 is enabled
by default, and hence shifting 1 into the sign bit? Let's address
this separately, though, your change is fine as is, Manuel!
> + <li><code>-Wshift-overflow</code> warns about left shift
> overflows. <code>-Wshift-overflow=2</code> also warns about
> left-shifting 1 into the sign bit. This warning is enabled by
> default.</li>
David, what do you think?
Gerald