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// RUN: %clangxx_msan %s -fsanitize=memory -fsanitize-memory-use-after-dtor -o %t && MSAN_OPTIONS=poison_in_dtor=1 %run %t >%t.out 2>&1
// RUN: FileCheck %s < %t.out
// RUN: %clangxx_msan %s -O1 -fsanitize=memory -fsanitize-memory-use-after-dtor -o %t && MSAN_OPTIONS=poison_in_dtor=1 %run %t >%t.out 2>&1
// RUN: FileCheck %s < %t.out
// RUN: %clangxx_msan %s -O2 -fsanitize=memory -fsanitize-memory-use-after-dtor -o %t && MSAN_OPTIONS=poison_in_dtor=1 %run %t >%t.out 2>&1
// RUN: FileCheck %s < %t.out
// RUN: %clangxx_msan %s -fsanitize=memory -o %t && MSAN_OPTIONS=poison_in_dtor=1 %run %t >%t.out 2>&1
// RUN: FileCheck %s --check-prefix=CHECK-NO-FLAG < %t.out
// RUN: %clangxx_msan -fsanitize=memory -fsanitize-memory-use-after-dtor %s -o %t && MSAN_OPTIONS=poison_in_dtor=0 %run %t >%t.out 2>&1
// RUN: FileCheck %s --check-prefix=CHECK-NO-FLAG < %t.out
#include <sanitizer/msan_interface.h>
#include <assert.h>
#include <stdio.h>
#include <new>
struct Simple {
int x_;
Simple() {
x_ = 5;
}
~Simple() { }
};
int main() {
unsigned long buf[1];
assert(sizeof(Simple) <= sizeof(buf));
// The placement new operator forces the object to be constructed in the
// memory location &buf. Since objects made in this way must be explicitly
// destroyed, there are no implicit calls inserted that would interfere with
// test behavior.
Simple *s = new(&buf) Simple();
s->~Simple();
if (__msan_test_shadow(s, sizeof(*s)) != -1)
printf("s is poisoned\n");
else
printf("s is not poisoned\n");
// CHECK: s is poisoned
// CHECK-NO-FLAG: s is not poisoned
return 0;
}
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