Modify an assert to capture the restriction on friend declarations more
accurately.  Prevents the assert from triggering incorrectly when friending 
functions first declared in extern "C" contexts.  Fixes bug 4757.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@80016 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed