Implement the "note" in C++ [over.built]p1, which is actually meant to
be a semantic requirement that a built-in overloaded operator is not
added to the overload set of there is already a user-defined
overloaded operator with the same parameter types. Fixes PR8087.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@113713 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed