cp:
        PR c++/775
        * decl.c (lookup_tag): Only reject enum/class mismatch, not
        class/union mismatch.
        * parse.y (check_class_key): New function.
        (structsp): Call it.Read from remote host gcc.gnu.org: Connection reset by peer
testsuite:
        * g++.dg/other/classkey1.C: New test.

From-SVN: r50230