[Bug target/47766] New: [x32] -fstack-protector doesn't work

["hjl.tools at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47766

           Summary: [x32] -fstack-protector doesn't work
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: hjl.tools@gmail.com


[hjl@gnu-6 ilp32-22]$ cat x.c
int
parse_opt (int key)
{
   struct
   {
     int arg[key];
   } reqdata;
  return 0;
}
[hjl@gnu-6 ilp32-22]$ make x.s
/export/build/gnu/gcc-x32/build-x86_64-linux/gcc/xgcc
-B/export/build/gnu/gcc-x32/build-x86_64-linux/gcc/ -S -o x.s -mx32 -O2 -g
-fstack-protector  x.c
x.c: In function \u2018parse_opt\u2019:
x.c:9:1: error: unrecognizable insn:
(insn 4 3 6 2 (parallel [
            (set (mem/v/f/c/i:SI (plus:DI (reg/f:DI 54 virtual-stack-vars)
                        (const_int -4 [0xfffffffffffffffc])) [2 D.2703+0 S4
A32])
                (unspec:DI [
                        (const_int 40 [0x28])
                    ] UNSPEC_SP_TLS_SET))
            (set (scratch:DI)
                (const_int 0 [0]))
            (clobber (reg:CC 17 flags))
        ]) x.c:3 -1
     (nil))
x.c:9:1: internal compiler error: in extract_insn, at recog.c:2109
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
make: *** [x.s] Error 1
[hjl@gnu-6 ilp32-22]$