gcc/testsuite/g++.old-deja/g++.brendan/cvt3.C

   1 // { dg-do assemble  }
   2 // GROUPS passed conversions
   3 class GttObject {};
   4 class GctObject: virtual public GttObject {};
   5 class NDAMObject: virtual public GttObject, virtual public GctObject {};
   6 class GctHashObject: virtual public GctObject {};
   7
   8 class GctRef: virtual public GctHashObject
   9 { public: operator void*() const; };
  10
  11 class NDAMAssemblerObject: virtual public NDAMObject {};
  12 class GctReferenceObject: virtual public GctHashObject {};
  13 class NDAMValue: virtual public NDAMAssemblerObject, public GctReferenceObject {};
  14
  15 class nnyacc;
  16 class NDAMValueRef : virtual public NDAMObject, public GctRef
  17 {
  18   NDAMValue *operator->() const;
  19   operator NDAMValue *() const;
  20 friend class nnyacc;
  21 };
  22
  23 typedef void* Pix;
  24 class NDAMValueRefSLList
  25 {
  26 public:
  27   NDAMValueRefSLList();
  28   NDAMValueRefSLList(const NDAMValueRefSLList& a);
  29   ~NDAMValueRefSLList();
  30   NDAMValueRef& operator () (Pix p) const;
  31 };
  32
  33 struct bar
  34 {
  35   NDAMValueRefSLList *valueList;
  36 };
  37
  38 class nnyacc
  39 {
  40 public:
  41       static void assign(void*& lval, void*& rval); // { dg-message "nnyacc::assign|no known conversion" }
  42 };
  43
  44 void
  45 foo (bar yylval, bar *yyvsp)
  46 {
  47   nnyacc::assign(yylval.valueList, yyvsp[0].valueList);// { dg-error "no matching" }
  48 }