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// Test the AddressSanitizer (un)poison interface
// REQUIRES: ASan
// RUN: %ldc -g -fsanitize=address -boundscheck=off %s -of=%t%exe
// RUN: not %t%exe 2>&1 | FileCheck %s
import ldc.asan;
int getX()
{
int[] x = new int[5];
assert(__asan_address_is_poisoned(&x[1]) == 0);
__asan_poison_memory_region(x.ptr, 5*int.sizeof);
assert(__asan_address_is_poisoned(&x[1]) == 1);
__asan_unpoison_memory_region(x.ptr, 5*int.sizeof);
assert(__asan_address_is_poisoned(&x[1]) == 0);
int a = x[1];
__asan_poison_memory_region(x.ptr, 5*int.sizeof);
// CHECK: use-after-poison
// CHECK: READ of size 4
// CHECK-NEXT: #0 {{.*}} in {{.*getX.*}} {{.*}}asan_interface.d:[[@LINE+1]]
return a + x[1];
}
int main()
{
auto x = getX();
return 0;
}
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