[Bug c++/81277] New: assert() in multiversioned functions causes copmilation error

["sgunderson at bigfoot dot com" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81277

            Bug ID: 81277
           Summary: assert() in multiversioned functions causes
                    copmilation error
           Product: gcc
           Version: 7.1.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: sgunderson at bigfoot dot com
  Target Milestone: ---

As the bug title says:

#include <stdio.h>
#include <assert.h>

__attribute__((target("default")))
void foo(int x)
{
        assert(x >= 0);
}

__attribute__((target("arch=haswell")))
void foo(int x)
{
        assert(x >= 0);
}

When compiled:

/tmp/ccCQK5gF.s: Assembler messages:
/tmp/ccCQK5gF.s:71: Error: symbol `_ZZ3fooiE19__PRETTY_FUNCTION__' is already
defined