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-rw-r--r--test/msan/dtor-derived-class.cc39
1 files changed, 39 insertions, 0 deletions
diff --git a/test/msan/dtor-derived-class.cc b/test/msan/dtor-derived-class.cc
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+++ b/test/msan/dtor-derived-class.cc
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+// RUN: %clangxx_msan %s -O0 -fsanitize=memory -fsanitize-memory-use-after-dtor -o %t && MSAN_OPTIONS=poison_in_dtor=1 %run %t >%t.out 2>&1
+// 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: %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
+
+#include <sanitizer/msan_interface.h>
+#include <assert.h>
+
+struct Base {
+ int x;
+ Base() { x = 5; }
+ virtual ~Base() {}
+};
+
+struct Derived : public Base {
+ int y;
+ Derived() { y = 10; }
+ ~Derived() {}
+};
+
+int main() {
+ Derived *d = new Derived();
+ d->~Derived();
+
+ // Verify that local pointer is unpoisoned, and that the object's
+ // members are.
+ assert(__msan_test_shadow(&d, sizeof(d)) == -1);
+ assert(__msan_test_shadow(&d->x, sizeof(d->x)) != -1);
+ assert(__msan_test_shadow(&d->y, sizeof(d->y)) != -1);
+
+ Base *b = new Derived();
+ b->~Base();
+
+ // Verify that local pointer is unpoisoned, and that the object's
+ // members are.
+ assert(__msan_test_shadow(&b, sizeof(b)) == -1);
+ assert(__msan_test_shadow(&b->x, sizeof(b->x)) != -1);
+
+ return 0;
+}