[Bug rtl-optimization/58934] [4.9 Regression]: build fails on cris-elf in reload_cse_simplify_operands for newlib dtoa.c

["olegendo at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58934

Oleg Endo <olegendo at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2013-10-31
                 CC|                            |olegendo at gcc dot gnu.org
     Ever confirmed|0                           |1

--- Comment #2 from Oleg Endo <olegendo at gcc dot gnu.org> ---
Let me join the club with an SH failure when building libsupc++:

/gcc-trunk2/libstdc++-v3/libsupc++/vmi_class_type_info.cc:68:1: error: insn
does not satisfy its constraints:
 }
 ^
(insn 174 173 175 21 (set (reg:SI 7 r7)
        (reg/v/f:SI 260 [orig:223 src_type ] [223]))
../../../../../gcc-trunk2/libstdc++-v3/libsupc++/vmi_class_type_info.cc:58 256
{movsi_i}
     (nil))
../../../../../gcc-trunk2/libstdc++-v3/libsupc++/vmi_class_type_info.cc:68:1:
internal compiler error: in reload_cse_simplify_operands, at postreload.c:411
0x879ab97 _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
    ../../gcc-trunk2/gcc/rtl-error.c:109
0x879abd5 _fatal_insn_not_found(rtx_def const*, char const*, int, char const*)
    ../../gcc-trunk2/gcc/rtl-error.c:120
0x8747aba reload_cse_simplify_operands
    ../../gcc-trunk2/gcc/postreload.c:411
0x874830a reload_cse_simplify
    ../../gcc-trunk2/gcc/postreload.c:123
0x874830a reload_cse_regs_1
    ../../gcc-trunk2/gcc/postreload.c:220
0x8749ac2 reload_cse_regs
    ../../gcc-trunk2/gcc/postreload.c:68
0x8749ac2 rest_of_handle_postreload
    ../../gcc-trunk2/gcc/postreload.c:2332
0x8749ac2 execute
    ../../gcc-trunk2/gcc/postreload.c:2368
Please submit a full bug report,