I happened to have a reason to run our build system under strace, and
I noticed that we pass -fno-strict-aliasing to clang.
How committed are we to -fno-strict-aliasing?
If we have no intention of getting rid of -fno-strict-aliasing, it
would make sense to document this at
https://developer.mozil
I don't think anyone wants to allow aliasing merely for its own sake.
A lot of these flags were added just to keep builds working in the
face of noisy compilers a long time ago. It would be good to retest
with our current codebase and current compilers and see where we
stand. If we can easily remov
>> Are you including bugs that are about reducing our memory usage
>> with more processes? What about doing better sandboxing of the content
>> process (e.g. ensuring a compromised process can't request information
>> from the parent that isn't relevant to it)?
> This is https://bugzilla.mozilla.or
On Fri, Feb 15, 2019 at 8:43 AM David Major wrote:
> [...] If we can easily remove (or reduce) uses of this flag, I think
> that would be pretty uncontroversial.
>
It sounds risky to me. My impression is we have a lot of TBAA violations,
which would make every compiler version bump a game of UB
On Fri, Feb 15, 2019, at 4:00 AM, Henri Sivonen wrote:
> How committed are we to -fno-strict-aliasing?
FWIW, some work was done to investigate re-enabling strict aliasing a while ago
but it proved untenable at the time:
https://bugzilla.mozilla.org/show_bug.cgi?id=414641
-Ted
___
>On 2/12/19 9:15 PM, Randell Jesup wrote:
>>> if you push to the Try server, use base revisions (= the shared revision on
>>> top of which you add your changes) from 2019-02-06 or newer, else there
>>> will be many test failures due to expired certificates. The newer base
>>> revisions have the fix
Summary:
The 'prefers-color-scheme' media feature is way for pages to detect
if the user prefers a light or dark color theme. The values are
'light', 'dark', and 'no-preference'. If the "resist fingerprinting"
feature is active we always match 'light'. If the media type is
'print' we always mat
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