[Bug c++/42219] New: [4.5 Regression] ICE with "const void" as parameter type

["reichelt at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>]

The following invalid code snippet triggers an ICE on trunk:

=============================
void foo(const void);

void bar()
{
  void (*pf)() = foo;
}
=============================

bug.cc:1:16: error: '<anonymous>' has incomplete type
bug.cc:1:20: error: invalid use of 'const void'
bug.cc: In function 'void bar()':
bug.cc:5:18: error: invalid conversion from 'void (*)(<type error>)' to 'void
(*)()'
bug.cc:5:18: internal compiler error: tree check: expected class 'type', have
'exceptional' (error_mark) in useless_type_conversion_p, at tree-ssa.c:1426
Please submit a full bug report, [etc.]


-- 
           Summary: [4.5 Regression] ICE with "const void" as parameter type
           Product: gcc
           Version: 4.5.0
            Status: UNCONFIRMED
          Keywords: ice-on-invalid-code, error-recovery, 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=42219