[Bug c++/51414] New: Broken diagnostic with invalid use of __underlying_type

[reichelt at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51414

             Bug #: 51414
           Summary: Broken diagnostic with invalid use of
                    __underlying_type
    Classification: Unclassified
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassig...@gcc.gnu.org
        ReportedBy: reich...@gcc.gnu.org


A broken diagnostic is generated on trunk for the following invalid code
snippet:

==============================
__underlying_type(int[1]) i;
==============================

bug.cc:1:25: error: '#'array_type' not supported by dump_expr#<expression
error>' is not an enumeration type
bug.cc:1:28: error: invalid type in declaration before ';' token