clang/test/CXX/over/over.built/p17.cpp

   1 // RUN: %clang_cc1 -std=c++11 -verify %s -Wno-tautological-compare
   2
   3 struct A { operator decltype(nullptr)(); };
   4 struct B { operator int A::*(); };
   5 void f(A a, B b, int A::*pi) {
   6   (void)(a == a);
   7   (void)(a != a);
   8   (void)(a < a); // expected-error {{invalid operands}}
   9   (void)(a > a); // expected-error {{invalid operands}}
  10   (void)(a <= a); // expected-error {{invalid operands}}
  11   (void)(a >= a); // expected-error {{invalid operands}}
  12
  13   (void)(a == b);
  14   (void)(a != b);
  15   (void)(a < b); // expected-error {{invalid operands}}
  16   (void)(a > b); // expected-error {{invalid operands}}
  17   (void)(a <= b); // expected-error {{invalid operands}}
  18   (void)(a >= b); // expected-error {{invalid operands}}
  19
  20   (void)(b == a);
  21   (void)(b != a);
  22   (void)(b < a); // expected-error {{invalid operands}}
  23   (void)(b > a); // expected-error {{invalid operands}}
  24   (void)(b <= a); // expected-error {{invalid operands}}
  25   (void)(b >= a); // expected-error {{invalid operands}}
  26
  27   (void)(a == pi);
  28   (void)(a != pi);
  29   (void)(a < pi); // expected-error {{invalid operands}}
  30   (void)(a > pi); // expected-error {{invalid operands}}
  31   (void)(a <= pi); // expected-error {{invalid operands}}
  32   (void)(a >= pi); // expected-error {{invalid operands}}
  33
  34   (void)(pi == a);
  35   (void)(pi != a);
  36   (void)(pi < a); // expected-error {{invalid operands}}
  37   (void)(pi > a); // expected-error {{invalid operands}}
  38   (void)(pi <= a); // expected-error {{invalid operands}}
  39   (void)(pi >= a); // expected-error {{invalid operands}}
  40
  41   (void)(b == pi);
  42   (void)(b != pi);
  43   (void)(b < pi); // expected-error {{invalid operands}}
  44   (void)(b > pi); // expected-error {{invalid operands}}
  45   (void)(b <= pi); // expected-error {{invalid operands}}
  46   (void)(b >= pi); // expected-error {{invalid operands}}
  47
  48   (void)(pi == b);
  49   (void)(pi != b);
  50   (void)(pi < b); // expected-error {{invalid operands}}
  51   (void)(pi > b); // expected-error {{invalid operands}}
  52   (void)(pi <= b); // expected-error {{invalid operands}}
  53   (void)(pi >= b); // expected-error {{invalid operands}}
  54
  55   (void)(b == b);
  56   (void)(b != b);
  57   (void)(b < b); // expected-error {{invalid operands}}
  58   (void)(b > b); // expected-error {{invalid operands}}
  59   (void)(b <= b); // expected-error {{invalid operands}}
  60   (void)(b >= b); // expected-error {{invalid operands}}
  61
  62   (void)(pi == pi);
  63   (void)(pi != pi);
  64   (void)(pi < pi); // expected-error {{invalid operands}}
  65   (void)(pi > pi); // expected-error {{invalid operands}}
  66   (void)(pi <= pi); // expected-error {{invalid operands}}
  67   (void)(pi >= pi); // expected-error {{invalid operands}}
  68 }
  69
  70 // FIXME: This is wrong: type T = 'const volatile int * const A::* const B::*'
  71 // would work here, and there exists a builtin candidate for that type.
  72 struct C { operator const int *A::*B::*(); };
  73 void g(C c, volatile int *A::*B::*p) {
  74   (void)(c == p); // expected-error {{invalid operands}}
  75 }