[Bug c++/57378] New: gnu multiversioning gives assembler error: foo.resolver is already defined

[mib.bugzilla at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57378

            Bug ID: 57378
           Summary: gnu multiversioning gives assembler error:
                    foo.resolver is already defined
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: mib.bugzilla at gmail dot com

% /rdrive/ref/gcc/bin/g++48 -c foo.cpp
/tmp/cc9uFaZR.s: Assembler messages:
/tmp/cc9uFaZR.s:116: Error: symbol `_Z3foov.resolver' is already defined
% cat foo.cpp
int foo () __attribute__ ((target ("default")));
int foo () __attribute__ ((target ("arch=core2")));

static int fumm();

#include <stdio.h>
int main ()
{
  int f = foo();
  printf("foo is %d\n", f);
  printf("fumm is %d\n", fumm());
  return 0;
}

__attribute__ ((target ("default")))
int foo () { return 0; }

__attribute__ ((target ("arch=corei7")))
int foo () { return 7; }

static int fumm()
{ return foo(); } 

% /rdrive/ref/gcc/bin/g++48 -v
Using built-in specs.
COLLECT_GCC=/rdrive/ref/gcc/4.8.0/rhel60/efi2/bin/g++
COLLECT_LTO_WRAPPER=/site/spt/rdrive/ref/gcc/4.8.0/rhel60/efi2/bin/../libexec/gcc/x86_64-unknown-linux-gnu/4.8.0/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with:
/rusers/sys_cron/grab_gcc/downloads_rel/4.8.0/gcc-4.8.0/configure
--prefix=/rdrive/ref/gcc/4.8.0/rhel60/efi2
--enable-languages=c,c++,objc,fortran --disable-multilib --enable-bootstrap
--target=x86_64-unknown-linux-gnu --disable-bootstrap --enable-decimal-float
--with-gmp=/rusers/sys_cron/grab_gcc/downloads_rel/lib/efi2
--with-mpfr=/rusers/sys_cron/grab_gcc/downloads_rel/lib/efi2
--with-mpc=/rusers/sys_cron/grab_gcc/downloads_rel/lib/efi2
Thread model: posix
gcc version 4.8.0 (GCC)

Platform is corei7 (sandybridge)