| // RUN: %clang_cc1 -fsyntax-only -verify %s |
| |
| #include <stddef.h> |
| |
| struct S // expected-note {{candidate}} |
| { |
| S(int, int, double); // expected-note {{candidate}} |
| S(double, int); // expected-note 2 {{candidate}} |
| S(float, int); // expected-note 2 {{candidate}} |
| }; |
| struct T; // expected-note{{forward declaration of 'T'}} |
| struct U |
| { |
| // A special new, to verify that the global version isn't used. |
| void* operator new(size_t, S*); // expected-note {{candidate}} |
| }; |
| struct V : U |
| { |
| }; |
| |
| // PR5823 |
| void* operator new(const size_t); // expected-note 2 {{candidate}} |
| void* operator new(size_t, int*); // expected-note 3 {{candidate}} |
| void* operator new(size_t, float*); // expected-note 3 {{candidate}} |
| void* operator new(size_t, S); // expected-note 2 {{candidate}} |
| |
| void good_news() |
| { |
| int *pi = new int; |
| float *pf = new (pi) float(); |
| pi = new int(1); |
| pi = new int('c'); |
| const int *pci = new const int(); |
| S *ps = new S(1, 2, 3.4); |
| ps = new (pf) (S)(1, 2, 3.4); |
| S *(*paps)[2] = new S*[*pi][2]; |
| ps = new (S[3])(1, 2, 3.4); |
| typedef int ia4[4]; |
| ia4 *pai = new (int[3][4]); |
| pi = ::new int; |
| U *pu = new (ps) U; |
| V *pv = new (ps) V; |
| |
| pi = new (S(1.0f, 2)) int; |
| |
| (void)new int[true]; |
| } |
| |
| struct abstract { |
| virtual ~abstract() = 0; |
| }; |
| |
| void bad_news(int *ip) |
| { |
| int i = 1; |
| (void)new; // expected-error {{missing type specifier}} |
| (void)new 4; // expected-error {{missing type specifier}} |
| (void)new () int; // expected-error {{expected expression}} |
| (void)new int[1.1]; // expected-error {{array size expression must have integral or enumerated type, not 'double'}} |
| (void)new int[1][i]; // expected-error {{only the first dimension}} |
| (void)new (int[1][i]); // expected-error {{only the first dimension}} |
| (void)new (int[i]); // expected-error {{when type is in parentheses}} |
| (void)new int(*(S*)0); // expected-error {{no viable conversion from 'S' to 'int'}} |
| (void)new int(1, 2); // expected-error {{excess elements in scalar initializer}} |
| (void)new S(1); // expected-error {{no matching constructor}} |
| (void)new S(1, 1); // expected-error {{call to constructor of 'S' is ambiguous}} |
| (void)new const int; // expected-error {{default initialization of an object of const type 'int const'}} |
| (void)new float*(ip); // expected-error {{cannot initialize a new value of type 'float *' with an lvalue of type 'int *'}} |
| // Undefined, but clang should reject it directly. |
| (void)new int[-1]; // expected-error {{array size is negative}} |
| (void)new int[*(S*)0]; // expected-error {{array size expression must have integral or enumerated type, not 'S'}} |
| (void)::S::new int; // expected-error {{expected unqualified-id}} |
| (void)new (0, 0) int; // expected-error {{no matching function for call to 'operator new'}} |
| (void)new (0L) int; // expected-error {{call to 'operator new' is ambiguous}} |
| // This must fail, because the member version shouldn't be found. |
| (void)::new ((S*)0) U; // expected-error {{no matching function for call to 'operator new'}} |
| // This must fail, because any member version hides all global versions. |
| (void)new U; // expected-error {{no matching function for call to 'operator new'}} |
| (void)new (int[]); // expected-error {{array size must be specified in new expressions}} |
| (void)new int&; // expected-error {{cannot allocate reference type 'int &' with new}} |
| // Some lacking cases due to lack of sema support. |
| } |
| |
| void good_deletes() |
| { |
| delete (int*)0; |
| delete [](int*)0; |
| delete (S*)0; |
| ::delete (int*)0; |
| } |
| |
| void bad_deletes() |
| { |
| delete 0; // expected-error {{cannot delete expression of type 'int'}} |
| delete [0] (int*)0; // expected-error {{expected ']'}} \ |
| // expected-note {{to match this '['}} |
| delete (void*)0; // expected-error {{cannot delete expression}} |
| delete (T*)0; // expected-warning {{deleting pointer to incomplete type}} |
| ::S::delete (int*)0; // expected-error {{expected unqualified-id}} |
| } |
| |
| struct X0 { }; |
| |
| struct X1 { |
| operator int*(); |
| operator float(); |
| }; |
| |
| struct X2 { |
| operator int*(); // expected-note {{candidate function}} |
| operator float*(); // expected-note {{candidate function}} |
| }; |
| |
| void test_delete_conv(X0 x0, X1 x1, X2 x2) { |
| delete x0; // expected-error{{cannot delete}} |
| delete x1; |
| delete x2; // expected-error{{ambiguous conversion of delete expression of type 'X2' to a pointer}} |
| } |
| |
| // PR4782 |
| class X3 { |
| public: |
| static void operator delete(void * mem, size_t size); |
| }; |
| |
| class X4 { |
| public: |
| static void release(X3 *x); |
| static void operator delete(void * mem, size_t size); |
| }; |
| |
| |
| void X4::release(X3 *x) { |
| delete x; |
| } |
| |
| class X5 { |
| public: |
| void Destroy() const { delete this; } |
| }; |
| |
| class Base { |
| public: |
| static void *operator new(signed char) throw(); // expected-error {{'operator new' takes type size_t}} |
| static int operator new[] (size_t) throw(); // expected-error {{operator new[]' must return type 'void *'}} |
| }; |
| |
| class Tier {}; |
| class Comp : public Tier {}; |
| |
| class Thai : public Base { |
| public: |
| Thai(const Tier *adoptDictionary); |
| }; |
| |
| void loadEngineFor() { |
| const Comp *dict; |
| new Thai(dict); |
| } |
| |
| template <class T> struct TBase { |
| void* operator new(T size, int); // expected-error {{'operator new' cannot take a dependent type as first parameter; use size_t}} |
| }; |
| |
| TBase<int> t1; |
| |
| class X6 { |
| public: |
| static void operator delete(void*, int); // expected-note {{member found by ambiguous name lookup}} |
| }; |
| |
| class X7 { |
| public: |
| static void operator delete(void*, int); // expected-note {{member found by ambiguous name lookup}} |
| }; |
| |
| class X8 : public X6, public X7 { |
| }; |
| |
| void f(X8 *x8) { |
| delete x8; // expected-error {{member 'operator delete' found in multiple base classes of different types}} |
| } |
| |
| class X9 { |
| public: |
| static void operator delete(void*, int); // expected-note {{'operator delete' declared here}} |
| static void operator delete(void*, float); // expected-note {{'operator delete' declared here}} |
| }; |
| |
| void f(X9 *x9) { |
| delete x9; // expected-error {{no suitable member 'operator delete' in 'X9'}} |
| } |
| |
| struct X10 { |
| virtual ~X10(); |
| }; |
| |
| struct X11 : X10 { // expected-error {{no suitable member 'operator delete' in 'X11'}} |
| void operator delete(void*, int); // expected-note {{'operator delete' declared here}} |
| }; |
| |
| void f() { |
| X11 x11; // expected-note {{implicit default destructor for 'X11' first required here}} |
| } |
| |
| struct X12 { |
| void* operator new(size_t, void*); |
| }; |
| |
| struct X13 : X12 { |
| using X12::operator new; |
| }; |
| |
| static void* f(void* g) |
| { |
| return new (g) X13(); |
| } |
| |
| class X14 { |
| public: |
| static void operator delete(void*, const size_t); |
| }; |
| |
| void f(X14 *x14a, X14 *x14b) { |
| delete x14a; |
| } |
| |
| namespace PR5918 { // Look for template operator new overloads. |
| struct S { template<typename T> static void* operator new(size_t, T); }; |
| void test() { |
| (void)new(0) S; |
| } |
| } |