[Bug target/56484] New: ICE in assign_by_spills, at lra-assigns.c:1268

[mgretton at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56484

             Bug #: 56484
           Summary: ICE in assign_by_spills, at lra-assigns.c:1268
    Classification: Unclassified
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
        AssignedTo: unassig...@gcc.gnu.org
        ReportedBy: mgret...@gcc.gnu.org


Created attachment 29552
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=29552
Test case

The attached test case ICEs on trunk (svn revision: 196329) as follows:

$ x86_64-unknown-linux-gnu-gcc -O2 besttry.c
besttry.c: In function ‘output_spdif’:
besttry.c:26:1: internal compiler error: in assign_by_spills, at
lra-assigns.c:1268
 }
 ^
0x7f1cf8 assign_by_spills
    /work/sources/gcc-fsf/master/gcc/lra-assigns.c:1268
0x7f29b3 lra_assign()
    /work/sources/gcc-fsf/master/gcc/lra-assigns.c:1425
0x7eebe1 lra(_IO_FILE*)
    /work/sources/gcc-fsf/master/gcc/lra.c:2307
0x7b6e18 do_reload
    /work/sources/gcc-fsf/master/gcc/ira.c:4619
0x7b6e18 rest_of_handle_reload
    /work/sources/gcc-fsf/master/gcc/ira.c:4731
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.

Believe this is a target issue as the original test case does not trigger the
failure for arm-none-linux-gnueabihf