On Mon, 20 Dec 2010, David Holland wrote: > as well as with the gcc 4.1 used by CentOS and NetBSD. The Debian one > is unfortunately the latest gcc I have ready access to. However, this > is obscure enough that I'm assuming nobody else is likely to have > noticed it in the meantime.
This no longer appears and was probably fixed by: 2008-05-06 Tom Tromey <tro...@redhat.com> PR preprocessor/35313, PR preprocessor/36088: * expr.c (optab) <QUERY, COMMA>: Set precedence to 4. (reduce) <case CPP_QUERY>: Special case CPP_COMMA and CPP_COLON. -- Joseph S. Myers jos...@codesourcery.com