[Bug middle-end/55630] [4.8 Regression] FAIL: g++.dg/pr48660.C -std=c++98 (internal compiler error)

[danglin at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55630

John David Anglin <danglin at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Target|hppa2.0w-hp-hpux11.11       |hppa*-*-* (32-bit)
               Host|hppa2.0w-hp-hpux11.11       |hppa*-*-* (32-bit)
              Build|hppa2.0w-hp-hpux11.11       |hppa*-*-* (32-bit)

--- Comment #2 from John David Anglin <danglin at gcc dot gnu.org> 2012-12-11 
23:50:06 UTC ---
Have backtrace on linux:

Compiler executable checksum: 2471c145ed09407ba32da95e98d20f8f
/home/dave/gnu/gcc/gcc/gcc/testsuite/g++.dg/pr48660.C: In member function
‘virtu
al val<2> Derived::_ZTv0_n16_NK7Derived4get2Ev() const’:
/home/dave/gnu/gcc/gcc/gcc/testsuite/g++.dg/pr48660.C:16:18: internal compiler
e
rror: in simplify_subreg, at simplify-rtx.c:5682
0x6f3353 simplify_subreg(machine_mode, rtx_def*, machine_mode, unsigned int)
        ../../gcc/gcc/simplify-rtx.c:5682
0x6f3707 simplify_gen_subreg(machine_mode, rtx_def*, machine_mode, unsigned
int)
        ../../gcc/gcc/simplify-rtx.c:5906
0x473c83 operand_subword_force(rtx_def*, unsigned int, machine_mode)
        ../../gcc/gcc/emit-rtl.c:1441
0x4a3f83 copy_blkmode_to_reg(machine_mode, tree_node*)
        ../../gcc/gcc/expr.c:2256
0x4a7d6b expand_assignment(tree_node*, tree_node*, bool)
        ../../gcc/gcc/expr.c:4924
0x3bb26f expand_call_stmt
        ../../gcc/gcc/cfgexpand.c:2113
0x3bb26f expand_gimple_stmt_1
        ../../gcc/gcc/cfgexpand.c:2153
0x3bb26f expand_gimple_stmt
        ../../gcc/gcc/cfgexpand.c:2305
0x3bcd7f expand_gimple_tailcall
        ../../gcc/gcc/cfgexpand.c:2352
0x3bcd7f expand_gimple_basic_block
        ../../gcc/gcc/cfgexpand.c:4061
0x3be11f gimple_expand_cfg
        ../../gcc/gcc/cfgexpand.c:4603