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// Verify that objects passed by value get red zones and that the copy
// constructor is called.
// RUN: %clangxx_asan -O0 %s -o %t
// RUN: not %run %t 2>&1 | FileCheck %s --implicit-check-not \
// RUN: Assertion{{.*}}failed
// ASan instrumentation can't insert red-zones around inalloca parameters.
// XFAIL: windows-msvc && asan-32-bits
#include <cassert>
class A {
public:
A() : me(this) {}
A(const A &other) : me(this) {
for (int i = 0; i < 8; ++i) a[i] = other.a[i];
}
int a[8];
A *me;
};
int bar(A *a) {
int *volatile ptr = &a->a[0];
return *(ptr - 1);
}
void foo(A a) {
assert(a.me == &a);
bar(&a);
}
int main() {
A a;
foo(a);
}
// CHECK: ERROR: AddressSanitizer: stack-buffer-overflow
// CHECK: READ of size 4 at
// CHECK: is located in stack of thread
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