[Bug rtl-optimization/56847] New: '-fpie' triggers - internal compiler error: in gen_add2_insn, at optabs.c:4705

[shenhan at google dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56847

             Bug #: 56847
           Summary: '-fpie' triggers - internal compiler error: in
                    gen_add2_insn, at optabs.c:4705
    Classification: Unclassified
           Product: gcc
           Version: 4.8.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: rtl-optimization
        AssignedTo: unassig...@gcc.gnu.org
        ReportedBy: shen...@google.com


System - Ubuntu 12.04 64 bit.
GCC configuration - configure --disable-bootstrap --enable-languages='c,c++'
How to reproduce - 
 gcc -fpie -c -O2 case.c

Error message I got -

case.c: In function ‘get_clock’:
case.c:20:1: internal compiler error: in gen_add2_insn, at optabs.c:4705
 }
 ^
0x735e4b gen_add2_insn(rtx_def*, rtx_def*)
        ../../gcc.svn/gcc-4_8-branch/gcc/optabs.c:4705
0x7037f5 lra_emit_add(rtx_def*, rtx_def*, rtx_def*)
        ../../gcc.svn/gcc-4_8-branch/gcc/lra.c:313
0x7119a5 curr_insn_transform
        ../../gcc.svn/gcc-4_8-branch/gcc/lra-constraints.c:3082
0x712224 lra_constraints(bool)
        ../../gcc.svn/gcc-4_8-branch/gcc/lra-constraints.c:3613
0x705a2a lra(_IO_FILE*)
        ../../gcc.svn/gcc-4_8-branch/gcc/lra.c:2278
0x6d0820 do_reload
        ../../gcc.svn/gcc-4_8-branch/gcc/ira.c:4619
0x6d0820 rest_of_handle_reload
        ../../gcc.svn/gcc-4_8-branch/gcc/ira.c:4731
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