[Bug middle-end/55150] New: Crash in copy_rtx

[rmansfield at qnx dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55150

             Bug #: 55150
           Summary: Crash in copy_rtx
    Classification: Unclassified
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: rmansfield@qnx.com
                CC: vmakarov@redhat.com


Created attachment 28581
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=28581
preprocessed src

It appears this regression was introduced during the LRA merge:

http://gcc.gnu.org/viewcvs?view=revision&revision=192719

$ ./xgcc -B. -Os -g ~/ice.i -m32
/home/ryan/ice.i: In function ‘Camellia_Ekeygen’:
/home/ryan/ice.i:68:3: internal compiler error: in copy_rtx, at rtl.c:323
   }
   ^
0x890190 copy_rtx(rtx_def*)
    ../../gcc/rtl.c:323
0x800628 remove_pseudos
    ../../gcc/lra-spills.c:435
0x800693 remove_pseudos
    ../../gcc/lra-spills.c:443
0x800693 remove_pseudos
    ../../gcc/lra-spills.c:443
0x800693 remove_pseudos
    ../../gcc/lra-spills.c:443
0x800693 remove_pseudos
    ../../gcc/lra-spills.c:443
0x800c73 spill_pseudos
    ../../gcc/lra-spills.c:481
0x800c73 lra_spill()
    ../../gcc/lra-spills.c:568
0x7ec984 lra(_IO_FILE*)
    ../../gcc/lra.c:2327
0x7b4326 do_reload
    ../../gcc/ira.c:4624
0x7b4326 rest_of_handle_reload
    ../../gcc/ira.c:4736
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.