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From: "evstupac at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug bootstrap/53374] New: x86_64 bootstrap failed with AVX turned on
Date: Wed, 16 May 2012 10:15:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53374

             Bug #: 53374
           Summary: x86_64 bootstrap failed with AVX turned on
    Classification: Unclassified
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: evstupac@gmail.com


gcc configured with:

--with-arch=corei7-avx --with-cpu=corei7-avx --prefix=/usr/local
--enable-clocale=gnu --with-system-zlib --enable-shared --with-demangler-in-ld
--enable-cloog-backend=isl --with-ppl-include=/opt/gnu/include
--with-ppl-lib=/opt/gnu/lib64 --with-cloog-include=/opt/gnu/include
--with-cloog-lib=/opt/gnu/lib64 --with-fpmath=sse
--enable-languages=c,c++,fortran,java,lto,objc

failed to bootstrap after revision 187459:

r187459 | bernds | 2012-05-14 16:08:31 +0400 (Mon, 14 May 2012) | 48 lines

        * attribs.c (decl_attributes): Avoid emitting a warning if
        ATTR_FLAG_BUILT_IN.
.......

with the following error:

checking sys/ioctl.h usability... ../../../src-trunk/libgomp/task.c: In
function 'GOMP_task': 
../../../src-trunk/libgomp/task.c:187:1: internal compiler error: Segmentation
fault 
 } 
 ^ 
Please submit a full bug report, 
with preprocessed source if appropriate. 
See <http://gcc.gnu.org/bugs.html> for instructions. 
make[8]: *** [task.lo] Error 1