[Bug c++/51420] New: [c++0x] ICE with invalid user-defined literals

[reichelt at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51420

             Bug #: 51420
           Summary: [c++0x] ICE with invalid user-defined literals
    Classification: Unclassified
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: reichelt@gcc.gnu.org


The following invalid code snippet triggers an ICE on trunk:

================================
void foo()
{
  float x = operator"" _F();
  float y = 0_F;
}
================================

bug.cc: In function 'void foo()':
bug.cc:3:27: error: 'operator"" _F' was not declared in this scope
bug.cc:4:13: internal compiler error: tree check: expected function_type or
method_type, have error_mark in lookup_literal_operator, at cp/parser.c:3566
Please submit a full bug report, [etc.]