[Bug c++/38656] New: Broken diagnostic: 'template_id_expr' not supported by pp_c_expression

[reichelt at gcc dot gnu dot org]

A broken diagnostic is issued for the following code snippet since GCC 4.3.0:

========================================
template<int> int foo();

template<typename F> void bar(F f)
{
  f((foo<0>()=0)...);
}
========================================

bug.cc: In function 'void bar(F)':
bug.cc:5: error: expansion pattern '(#'template_id_expr' not supported by
pp_c_expression#)()=0' contains no argument packs


-- 
           Summary: Broken diagnostic: 'template_id_expr' not supported by
                    pp_c_expression
           Product: gcc
           Version: 4.4.0
            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=38656