struct MOZ_HEAP_CLASS Heap { int i = 0;
constexpr Heap() {}
MOZ_IMPLICIT Heap(int a) {}
Heap(int a, int b) {} void *operatornew(size_t x) throw() { return 0; } void *operatornew(size_t blah, char *buffer) { return buffer; }
};
template <class T> struct MOZ_HEAP_CLASS TemplateClass {
T i;
};
void gobble(void *) { }
void gobbleref(const Heap&) { }
void misuseHeapClass(int len) {
Heap invalid; // expected-error {{variable of type 'Heap' only valid on the heap}} expected-note {{value incorrectly allocated in an automatic variable}}
Heap alsoInvalid[2]; // expected-error-re {{variable of type 'Heap{{ ?}}[2]' only valid on the heap}} expected-note {{value incorrectly allocated in an automatic variable}} expected-note-re {{'Heap{{ ?}}[2]' is a heap type because it is an array of heap type 'Heap'}} static Heap invalidStatic; // expected-error {{variable of type 'Heap' only valid on the heap}} expected-note {{value incorrectly allocated in a global variable}} static Heap alsoInvalidStatic[2]; // expected-error-re {{variable of type 'Heap{{ ?}}[2]' only valid on the heap}} expected-note {{value incorrectly allocated in a global variable}} expected-note-re {{'Heap{{ ?}}[2]' is a heap type because it is an array of heap type 'Heap'}}
gobbleref(Heap()); // expected-error {{variable of type 'Heap' only valid on the heap}} expected-note {{value incorrectly allocated in a temporary}}
gobbleref(Heap(10, 20)); // expected-error {{variable of type 'Heap' only valid on the heap}} expected-note {{value incorrectly allocated in a temporary}}
gobbleref(Heap(10)); // expected-error {{variable of type 'Heap' only valid on the heap}} expected-note {{value incorrectly allocated in a temporary}}
gobbleref(10); // expected-error {{variable of type 'Heap' only valid on the heap}} expected-note {{value incorrectly allocated in a temporary}}
Heap invalidStatic; // expected-error {{variable of type 'Heap' only valid on the heap}} expected-note {{value incorrectly allocated in a global variable}} struct RandomClass {
Heap nonstaticMember; // expected-note {{'RandomClass' is a heap type because member 'nonstaticMember' is a heap type 'Heap'}} static Heap staticMember; // expected-error {{variable of type 'Heap' only valid on the heap}} expected-note {{value incorrectly allocated in a global variable}}
}; struct MOZ_HEAP_CLASS RandomHeapClass {
Heap nonstaticMember; static Heap staticMember; // expected-error {{variable of type 'Heap' only valid on the heap}} expected-note {{value incorrectly allocated in a global variable}}
};
struct BadInherit : Heap {}; // expected-note {{'BadInherit' is a heap type because it inherits from a heap type 'Heap'}} struct MOZ_HEAP_CLASS GoodInherit : Heap {};
void useStuffWrongly() {
BadInherit i; // expected-error {{variable of type 'BadInherit' only valid on the heap}} expected-note {{value incorrectly allocated in an automatic variable}}
RandomClass r; // expected-error {{variable of type 'RandomClass' only valid on the heap}} expected-note {{value incorrectly allocated in an automatic variable}}
}
Messung V0.5
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