gcc/testsuite/g++.dg/cpp0x/nullptr35.C

   1 // { dg-do run { target c++11 } }
   2
   3 // Test catching as pointer and pointer to member types, [except.handle] p3.
   4
   5 extern "C" void abort (void);
   6
   7 typedef decltype(nullptr) nullptr_t;
   8
   9 int result = 0;
  10
  11 void __attribute__((noinline))
  12 caught(int bit)
  13 {
  14   result |= bit;
  15 }
  16
  17 struct A { };
  18
  19 int main()
  20 {
  21   try {
  22     try {
  23       try {
  24         try {
  25           try {
  26             throw nullptr;
  27           } catch (void* p) {
  28             if (p == nullptr)
  29               caught(1);
  30             throw;
  31           }
  32         } catch (void(*pf)()) {
  33           if (pf == nullptr)
  34             caught(2);
  35           throw;
  36         }
  37       } catch (int A::*pm) {
  38         if (pm == nullptr)
  39           caught(4);
  40         throw;
  41       }
  42     } catch (int (A::*pmf)()) {
  43       if (pmf == nullptr)
  44         caught(8);
  45       throw;
  46     }
  47   } catch (nullptr_t) {
  48   }
  49
  50   try {
  51     try {
  52       try {
  53         try {
  54           try {
  55             throw nullptr;
  56           } catch (void* const& p) {
  57             if (p == nullptr)
  58               caught(16);
  59             throw;
  60           }
  61         } catch (void(* const& pf)()) {
  62           if (pf == nullptr)
  63             caught(32);
  64           throw;
  65         }
  66       } catch (int A::* const& pm) {
  67         if (pm == nullptr)
  68           caught(64);
  69         throw;
  70       }
  71     } catch (int (A::* const& pmf)()) {
  72       if (pmf == nullptr)
  73         caught(128);
  74       throw;
  75     }
  76   } catch (nullptr_t) {
  77   }
  78
  79   if (result != 255)
  80     abort ();
  81 }