preprocessor bug (probably with many releases)

[Zack Weinberg]

Ulrich Drepper wrote:
> I've at
> 
> 	http://www.cygnus.com/~drepper/cccp-bug.c
> 
> a test file which crashes the preprocessor.  At least it crashes it on
> x86, on Alpha the preprocessor outputs garbage.  The problem is in
> function macarg() in cccp.c.  I don't know what happens with cpplib.
> 
> I tested it only with the current mainline CVS version and only on
> Linux.

I can reproduce it with mainline cvs cccp on Linux, but not with cccp
from either 2.95.2 or 2.7.2.3, and not with cpplib.

zw