Fix CheckEndOfDirective to diagnose lines that contain macros that expand to 
zero tokens.  This fixes PR2045, thanks to Neil for finding another 
incredibly subtle corner case :)



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@47203 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed