The C++ generates a broken diagnostic for the following invalid code snippet since GCC 3.4.2:
===================================== struct A {}; void foo(A* p()) { p->A::~A(); } ===================================== bug.cc: In function 'void foo(A* (*)())': bug.cc:5: error: request for member 'A::#'bit_not_expr' not supported by pp_cxx_unqualified_id#' in '* p', which is of non-class type 'A* ()()' -- Summary: [4.1/4.2/4.3 regression] Broken diagnostic: 'bit_not_expr' not supported by pp_cxx_unqualified_id Product: gcc Version: 4.3.0 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=33843