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[Bug target/32264] gcc 4.2.0 compiled vanilla kernel 2.4.34.5 crashes when VIA C3 optimized -march=c3
- From: "pluto at agmk dot net" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 3 Aug 2007 19:55:04 -0000
- Subject: [Bug target/32264] gcc 4.2.0 compiled vanilla kernel 2.4.34.5 crashes when VIA C3 optimized -march=c3
- References: <bug-32264-14676@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #16 from pluto at agmk dot net 2007-08-03 19:55 -------
(In reply to comment #15)
> > as you can see there is a semicolon after call_do_IRQ(void)
> > and following asm statement isn't treated as a function body.
> > in this way -O1 -f{no-}unit-at-a-time accidentally produces
> > different code. it's not a gcc bug.
> >
>
> but who's bug is it?
it's a kernel bug exposed by recent gcc.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32264