[Bug preprocessor/20077] New: GCC accepts macro definitions that fail a constraint

[neil at gcc dot gnu dot org]

#define a a ## ##
#define a() a ## ##

-- 
           Summary: GCC accepts macro definitions that fail a constraint
           Product: gcc
           Version: 3.4.4
            Status: UNCONFIRMED
          Severity: minor
          Priority: P3
         Component: preprocessor
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: neil at gcc dot gnu dot org
                CC: gcc-bugs at gcc dot gnu dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20077