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Re: [PATCH] fix #19444 - build failures with -O1 due to -Wmaybe-uninitialized
- From: Joseph Myers <joseph at codesourcery dot com>
- To: "H.J. Lu" <hjl dot tools at gmail dot com>
- Cc: Martin Sebor <msebor at gmail dot com>, GNU C Library <libc-alpha at sourceware dot org>
- Date: Wed, 13 Jan 2016 17:58:22 +0000
- Subject: Re: [PATCH] fix #19444 - build failures with -O1 due to -Wmaybe-uninitialized
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On Wed, 13 Jan 2016, H.J. Lu wrote:
> On Wed, Jan 13, 2016 at 9:46 AM, Joseph Myers
> > (I agree that -O1 and -Os builds ought to work without any extra build or
> > test failures, and preferably -O0 should work except for the specific
> > files requiring optimization.)
>
> I opened an -Os bug:
>
> https://sourceware.org/bugzilla/show_bug.cgi?id=15105
It would be good to have an updated list of issues seen. I'd expect most
such issues to be easy to fix (adding missing *_hidden_* for functions
where PLT avoidance currently relies on inlining, for example).
--
Joseph S. Myers
joseph@codesourcery.com