[Bug bootstrap/51098] New: [4.7 Regression] bootstrap failed on avx i686, svn revision 181259 to 181267

["evstupac at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51098

             Bug #: 51098
           Summary: [4.7 Regression] bootstrap failed on avx i686, svn
                    revision 181259 to 181267
    Classification: Unclassified
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: evstupac@gmail.com


Build 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=/opt/gnu --with-cloog=/opt/gnu i686-linux
--with-fpmath=sse --enable-languages=c,c++,fortran,java,lto,objc

Build fail:

cd bld; \
 CC="gcc -m32" CXX="g++ -m32" ../src-trunk/configure \
    --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=/opt/gnu --with-cloog=/opt/gnu i686-linux
--with-fpmath=sse --enable-languages=c,c++,fortran,java,lto,objc
configure: WARNING: you should use --build, --host, --target checking build
system type... i686-pc-linux-gnu checking host system type... i686-pc-linux-gnu
checking target system type... i686-pc-linux-gnu
    grep "Error " makelog.181267.trunk.i686.corei7-avx >>
makelog.181267.trunk.i686.corei7-avx.mail; \ checking for magic_open in
-lmagic... make[7]: *** [x86_avx.lo] Error 1
make[6]: *** [all-recursive] Error 1
make[5]: *** [all] Error 2
make[4]: *** [all-target-libitm] Error 2
make[3]: *** [bootstrap] Error 2
make[2]: *** [bootstrap] Error 2
.......