Description of problem:
preprocessor fail with error on
#define TEST(name) name##::B()
with error message
test10.cxx:13:17: pasting "C" and "::" does not give a valid preprocessing token

Version-Release number of selected component (if applicable):
gcc-3.3-12

How reproducible:
Every time

Steps to Reproduce:
1. g++ -c test10.cpp -o test10.o
2.
3.
    
Actual results:
we have the following error
test10.cxx:13:17: pasting "C" and "::" does not give a valid preprocessing token

Expected results:
The macro used to succeed in performing the collate
when follow by ::

Additional info:
see test case attachment