[Bug bootstrap/78188] [7 Regression] AIX Bootstrap broken by tree-vrp.c change

[dje at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78188

--- Comment #17 from David Edelsohn <dje at gcc dot gnu.org> ---
ld: 0711-317 ERROR: Undefined symbol: .std::allocator<char>::allocator()
ld: 0711-317 ERROR: Undefined symbol: .std::__cxx11::basic_string<char,
std::char_traits<char>, std::allocator<char> >::basic_string(char const*,
std::allocator<char> const&)
ld: 0711-317 ERROR: Undefined symbol: .std::__cxx11::basic_string<char,
std::char_traits<char>, std::allocator<char> >::~basic_string()
ld: 0711-317 ERROR: Undefined symbol: .std::allocator<char>::~allocator()