revert r133003 and fix the bug properly: the issue was that ## in a token
lexer is not a paste operator, it is a normal token.  This fixes a conformance
issue shown here:
http://p99.gforge.inria.fr/c99-conformance/c99-conformance-clang-2.9.html

and it defines away the crash from before.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133005 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed