re PR c++/92024 (crash in check_local_shadow)

re PR c++/92024 (crash in check_local_shadow)

2019-10-30  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * doc/invoke.texi (-Wshadow, -Wshadow=global
        -Wshadow=local, -Wshadow=compatible-local): Update documentation.

cp:
2019-10-30  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        PR c++/92024
        * name-lookup.c (check_local_shadow): Shadowing TYPE_DECLs
        is always a -Wshadow=compatible-local warning, unless
        -Wshadow is used.

testsuite:
2019-10-30  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        PR c++/92024
        * g++.dg/parse/crash70.C: New test.
        * c-c++-common/Wshadow-1.c: New test.

From-SVN: r277643