[Bug middle-end/47655] New: [4.6 Regression] gcc.dg/vect/no-scevccp-slp-30.c FAILs with -floop-block

[zsojka at seznam dot cz]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47655

           Summary: [4.6 Regression] gcc.dg/vect/no-scevccp-slp-30.c FAILs
                    with -floop-block
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: zsojka@seznam.cz
                CC: spop@gcc.gnu.org
              Host: x86_64-pc-linux-gnu
            Target: x86_64-pc-linux-gnu


Created attachment 23282
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=23282
reduced testcase

Output:
$ gcc -v                     
Using built-in specs.
COLLECT_GCC=/mnt/svn/gcc-trunk/binary-169929-lto-fortran-checking-yes-rtl-df/bin/gcc
COLLECT_LTO_WRAPPER=/mnt/svn/gcc-trunk/binary-169929-lto-fortran-checking-yes-rtl-df/libexec/gcc/x86_64-unknown-linux-gnu/4.6.0/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: /mnt/svn/gcc-trunk//configure --enable-checking=yes,rtl,df
--enable-languages=c,c++,lto,fortran
--prefix=/mnt/svn/gcc-trunk/binary-169929-lto-fortran-checking-yes-rtl-df/
--with-cloog --with-ppl --with-cloog-include=/usr/include/cloog-ppl/
Thread model: posix
gcc version 4.6.0 20110208 (experimental) (GCC) 


$ gcc -O -floop-block testcase.c
$ ./a.out 
Aborted


Tested revisions:
r169929 - fail
4.5.2 - OK