1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
|
// RUN: %clang_analyze_cc1 -analyzer-checker=core -std=c++11 -verify %s
// expected-no-diagnostics
typedef __typeof(sizeof(int)) size_t;
void *operator new(size_t size, void *ptr);
struct B {
virtual void foo();
};
struct D : public B {
virtual void foo() override {}
};
void test_ub() {
// FIXME: Potentially warn because this code is pretty weird.
B b;
new (&b) D;
b.foo(); // no-crash
}
void test_non_ub() {
char c[sizeof(D)]; // Should be enough storage.
new (c) D;
((B *)c)->foo(); // no-crash
}
|
