[Bug middle-end/70526] [5/6 Regression] GCC 6 miscompiles Firefox JIT compiler

[rguenther at suse dot de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70526

--- Comment #33 from rguenther at suse dot de <rguenther at suse dot de> ---
On May 17, 2016 8:55:26 PM GMT+02:00, guido at trentalancia dot net
<gcc-bugzilla@gcc.gnu.org> wrote:
>https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70526
>
>guido at trentalancia dot net changed:
>
>           What    |Removed                     |Added
>----------------------------------------------------------------------------
>          CC|                            |guido at trentalancia dot net
>
>--- Comment #32 from guido at trentalancia dot net ---
>Comment 14 (suggestion to use the -fno-schedule-insns2 compiler flag)
>might
>provide a possible workaround in relation to the problem which is
>hitting
>firefox.
>
>Comment 15 (suggestion to use the -fno-sched-last-insn-heuristic
>compiler flag)
>surely does not provide a possible workaround in relation to the
>problem which
>is hitting firefox.

Use -fno-strict-aliasing

Richard.