Allow calling an overloaded function set by taking the address of the
functions, e.g., (&f)(0). Fixes <rdar://problem/9803316>.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141877 91177308-0d34-0410-b5e6-96231b3b80d8
5 files changed