forked from OSchip/llvm-project
26 lines
431 B
C++
26 lines
431 B
C++
|
// RUN: %clangxx_cfi -o %t %s
|
||
|
|
// RUN: %run %t
|
||
|
|
|
||
|
|
// In this example, both __typeid_A_global_addr and __typeid_B_global_addr will
|
||
|
|
// refer to the same address. Make sure that the compiler does not assume that
|
||
|
|
// they do not alias.
|
||
|
|
|
||
|
|
struct A {
|
||
|
|
virtual void f() = 0;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct B : A {
|
||
|
|
virtual void f() {}
|
||
|
|
};
|
||
|
|
|
||
|
|
__attribute__((weak)) void foo(void *p) {
|
||
|
|
B *b = (B *)p;
|
||
|
|
A *a = (A *)b;
|
||
|
|
a->f();
|
||
|
|
}
|
||
|
|
|
||
|
|
int main() {
|
||
|
|
B b;
|
||
|
|
foo(&b);
|
||
|
|
}
|