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Bug#726867: marked as done (ICE while building Linux dvb_demux.c for IA64 or MIPS64 with -Os)

Your message dated Thu, 14 Nov 2013 23:00:50 +0100
with message-id <20131114220049.GA12262@ohm.rr44.fr>
and subject line Re: Bug#726867: ICE while building Linux dvb_demux.c for MIPS64 with -Os
has caused the Debian Bug report #726867,
regarding ICE while building Linux dvb_demux.c for IA64 or MIPS64 with -Os
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact owner@bugs.debian.org
immediately.)


-- 
726867: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=726867
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: gcc-4.8
Version: 4.8.2-1
Severity: important

linux 3.11.5-1 failed to build on both mips and mipsel:

  CC [M]  drivers/media/dvb-core/dvb_demux.o
/«PKGBUILDDIR»/drivers/media/dvb-core/dvb_demux.c: In function 'dvb_dmx_swfilter_packet':
/«PKGBUILDDIR»/drivers/media/dvb-core/dvb_demux.c:474:1: internal compiler error: in do_SUBST, at combine.c:711
 }
 ^

Notably, this only occurred for flavours built with -Os.
Here's a reduced test case:

/* Compile with: gcc-4.8 -nostdinc -mabi=64  -Os -c test.c */

typedef unsigned char u8;

static int a(u8 len)
{
 static int i;
 i += len;
 return 0;
}

int b(u8 *p)
{
 u8 count = 184 - p[4];

 if (count == 0)
  return -1;

 if (*p < count)
   a(*p);

 return 0;
}

/* END */

Ben.

-- System Information:
Debian Release: jessie/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (500, 'testing'), (1, 'experimental')
Architecture: i386 (x86_64)
Foreign Architectures: amd64

Kernel: Linux 3.11-1-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_GB.utf8, LC_CTYPE=en_GB.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages gcc-4.8 depends on:
ii  binutils        2.23.90.20130927-1
ii  cpp-4.8         4.8.2-1
ii  gcc-4.8-base    4.8.2-1
ii  libc6           2.17-93
ii  libcloog-isl4   0.18.0-2
ii  libgcc-4.8-dev  4.8.2-1
ii  libgmp10        2:5.1.2+dfsg-3
ii  libisl10        0.11.2-1
ii  libmpc3         1.0.1-1
ii  libmpfr4        3.1.1-2
ii  zlib1g          1:1.2.8.dfsg-1

Versions of packages gcc-4.8 recommends:
ii  libc6-dev  2.17-93

Versions of packages gcc-4.8 suggests:
ii  binutils [binutils-gold]  2.23.90.20130927-1
pn  gcc-4.8-doc               <none>
pn  gcc-4.8-locales           <none>
ii  gcc-4.8-multilib          4.8.2-1
pn  libasan0-dbg              <none>
pn  libatomic1-dbg            <none>
pn  libbacktrace1-dbg         <none>
pn  libgcc1-dbg               <none>
pn  libgomp1-dbg              <none>
pn  libitm1-dbg               <none>
pn  libmudflap0-4.8-dev       <none>
pn  libmudflap0-dbg           <none>
pn  libquadmath0-dbg          <none>
pn  libtsan0-dbg              <none>

-- no debconf information

--- End Message ---
--- Begin Message --- 
Version: 4.8.2-2

On Fri, Nov 01, 2013 at 11:42:48AM +0100, Stephen Kitt wrote:
> Hi,
> 
> On Tue, Oct 29, 2013 at 02:34:59PM +0000, Ben Hutchings wrote:
> > The same function caused ICE on ia64, and the test case also causes ICE
> > at all optimisation levels except -O0.
> 
> This ICE affects a number of other packages, and is fixed upstream in
> the gcc-4.8 branch as of r204165.
> 

This has been fixed in version 4.8.2-2. Closing the bug.

-- 
Aurelien Jarno                          GPG: 1024D/F1BCDB73
aurelien@aurel32.net                 http://www.aurel32.net

--- End Message ---
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