[Bug 213137] boot2 too large when using gcc-4.6 or later

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Sat Oct 1 15:24:56 UTC 2016


--- Comment #2 from Dimitry Andric <dim at FreeBSD.org> ---
Unfortunately boot2 is an extremely tricky thing to get right, with any
compiler.  Traditionally, every compiler upgrade breaks boot2 by enlarging it.

If you can show that disabling asynchronous unwind tables helps, we could put
in some logic for disabling it automatically with gcc >= 4.6.  But it would be
nice to show it for some newer versions of gcc too, 4.6 is rather old now.

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