[Bug libstdc++/87618] [9 Regression] Missing symbol for std::__cxx11::basic_stringbuf, std::allocator >::basic_stringbuf()

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87618

Jonathan Wakely <redi at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to work|                            |8.2.0
            Summary|Missing symbol for          |[9 Regression] Missing
                   |std::__cxx11::basic_stringb |symbol for
                   |uf<char,                    |std::__cxx11::basic_stringb
                   |std::char_traits<char>,     |uf<char,
                   |std::allocator<char>        |std::char_traits<char>,
                   |>::basic_stringbuf()        |std::allocator<char>
                   |                            |>::basic_stringbuf()
      Known to fail|                            |9.0

--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> ---
I made a typo in the linker script:

--- a/libstdc++-v3/config/abi/pre/gnu.ver
+++ b/libstdc++-v3/config/abi/pre/gnu.ver
@@ -2035,7 +2035,7 @@ GLIBCXX_3.4.26 {
     _ZNSt15basic_stringbuf[cw]St11char_traitsI[cw]ESaI[cw]EEC[12]Ev;
     _ZNSt18basic_stringstreamI[cw]St11char_traitsI[cw]ESaI[cw]EEC[12]Ev;
     _ZNSt19basic_[io]stringstreamI[cw]St11char_traitsI[cw]ESaI[cw]EEC[12]Ev;
-    _ZNSt7__cxx1115basic_stringbuf[cw]St11char_traitsI[cw]ESaI[cw]EEC[12]Ev;
+    _ZNSt7__cxx1115basic_stringbufI[cw]St11char_traitsI[cw]ESaI[cw]EEC[12]Ev;
    
_ZNSt7__cxx1118basic_stringstreamI[cw]St11char_traitsI[cw]ESaI[cw]EEC[12]Ev;
    
_ZNSt7__cxx1119basic_[io]stringstreamI[cw]St11char_traitsI[cw]ESaI[cw]EEC[12]Ev;