GCC produces a duplicate 'duplicate' diagnostic ;-) since GCC 3.4.0 for the following testcase:
struct A { friend friend void foo(); }; bug.cc:3: error: duplicate 'friend' bug.cc:3: error: duplicate 'friend' I'll post a patch soon. -- Summary: [3.4/4.0/4.1/4.2 regression] duplicate 'duplicate' diagnostic Product: gcc Version: 4.2.0 Status: UNCONFIRMED Keywords: diagnostic, monitored Severity: normal Priority: P3 Component: c++ AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: reichelt at gcc dot gnu dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26151