[Bug libstdc++/108969] [13/14 Regression] Initializing iostreams in the library needs a GLIBCXX_3.4.31 versioned symbol

[jakub at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108969

--- Comment #22 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
extern int cinalias __attribute__((__symver__ ("_ZSt4cin@GLIBCXX_3.4")));
void foo ()
{
  cinalias++;
}
doesn't work to refer to older symver, but
extern int cinalias;
asm (".symver cinalias, _ZSt4cin@GLIBCXX_3.4");
void foo ()
{
  cinalias++;
}
does.  Of course, needs testing with old binutils and the like.