2014-05-28 16:38:13 +08:00
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// RUN: %clang_cl_asan -O0 %s -Fe%t
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2014-05-26 19:54:20 +08:00
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// RUN: not %run %t 2>&1 | FileCheck %s
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2014-05-15 19:14:00 +08:00
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class Parent {
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public:
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int field;
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};
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class Child : public Parent {
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public:
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int extra_field;
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};
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int main(void) {
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Parent *p = new Parent;
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Child *c = (Child*)p; // Intentional error here!
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c->extra_field = 42;
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// CHECK: AddressSanitizer: heap-buffer-overflow on address [[ADDR:0x[0-9a-f]+]]
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// CHECK: WRITE of size 4 at [[ADDR]] thread T0
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// CHECK: {{#0 0x[0-9a-f]* in main .*wrong_downcast_on_heap.cc}}:[[@LINE-3]]
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// CHECK: [[ADDR]] is located 0 bytes to the right of 4-byte region
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// CHECK: allocated by thread T0 here:
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// CHECK: #0 {{.*}} operator new
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return 0;
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}
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