[Bug libstdc++/97729] [11 Regression] Link failure due to basic_stringbuf and others when building DLL on MinGW

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97729

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

           What    |Removed                     |Added
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           Keywords|                            |build
            Summary|Link failure due to         |[11 Regression] Link
                   |basic_stringbuf and others  |failure due to
                   |when building DLL on MinGW  |basic_stringbuf and others
                   |                            |when building DLL on MinGW
      Known to work|                            |10.2.1
      Known to fail|                            |11.0
           Priority|P3                          |P1
   Target Milestone|---                         |11.0