[Bug rtl-optimization/55458] New: [4.8 Regression] ICE: in assign_by_spills, at lra-assigns.c:1212 with -fPIC -m32 and simple asm volatile

[zsojka at seznam dot cz]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55458



             Bug #: 55458

           Summary: [4.8 Regression] ICE: in assign_by_spills, at

                    lra-assigns.c:1212 with -fPIC -m32 and simple asm

                    volatile

    Classification: Unclassified

           Product: gcc

           Version: 4.8.0

            Status: UNCONFIRMED

          Severity: normal

          Priority: P3

         Component: rtl-optimization

        AssignedTo: unassig...@gcc.gnu.org

        ReportedBy: zso...@seznam.cz





Created attachment 28767

  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=28767

reduced testcase



Compiler output:

$ gcc -v

Using built-in specs.

COLLECT_GCC=/mnt/svn/gcc-trunk/binary-latest/bin/gcc

COLLECT_LTO_WRAPPER=/mnt/svn/gcc-trunk/binary-193712-lto-fortran-checking-yes-rtl-df/libexec/gcc/x86_64-unknown-linux-gnu/4.8.0/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-193712-lto-fortran-checking-yes-rtl-df/

--without-cloog --without-ppl

Thread model: posix

gcc version 4.8.0 20121121 (experimental) (GCC) 



$ gcc -fPIC -m32 testcase.c         

testcase.c: In function 'foo':

testcase.c:7:1: internal compiler error: in assign_by_spills, at

lra-assigns.c:1212

 }

 ^

0x8e29a1 assign_by_spills

        /mnt/svn/gcc-trunk/gcc/lra-assigns.c:1212

0x8e493b lra_assign()

        /mnt/svn/gcc-trunk/gcc/lra-assigns.c:1364

0x8e05dd lra(_IO_FILE*)

        /mnt/svn/gcc-trunk/gcc/lra.c:2298

0x896aa8 do_reload

        /mnt/svn/gcc-trunk/gcc/ira.c:4624

0x896aa8 rest_of_handle_reload

        /mnt/svn/gcc-trunk/gcc/ira.c:4737

Please submit a full bug report,

with preprocessed source if appropriate.

Please include the complete backtrace with any bug report.

See <http://gcc.gnu.org/bugs.html> for instructions.



I don't have a x86 compiler, so I don't know if this ICEs the same way on an

x86.