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// RUN: %clangxx_msan %s -fsanitize=memory -fsanitize-memory-use-after-dtor -o %t && not %run %t >%t.out 2>&1
// RUN: FileCheck %s --check-prefix=CHECK-UAD < %t.out
// RUN: %clangxx_msan %s -O1 -fsanitize=memory -fsanitize-memory-use-after-dtor -o %t && not %run %t >%t.out 2>&1
// RUN: FileCheck %s --check-prefix=CHECK-UAD < %t.out
// RUN: %clangxx_msan %s -O2 -fsanitize=memory -fsanitize-memory-use-after-dtor -o %t && not %run %t >%t.out 2>&1
// RUN: FileCheck %s --check-prefix=CHECK-UAD < %t.out
// RUN: %clangxx_msan %s -O1 -fsanitize=memory -fsanitize-memory-use-after-dtor -fsanitize-memory-track-origins -o %t && not %run %t >%t.out 2>&1
// RUN: FileCheck %s --check-prefixes=CHECK-UAD,CHECK-ORIGINS < %t.out
// RUN: %clangxx_msan %s -fno-sanitize-memory-use-after-dtor -o %t && not %run %t > %t.out 2>&1
// RUN: FileCheck %s --check-prefix=CHECK-UAD-OFF < %t.out
#include <sanitizer/msan_interface.h>
#include <assert.h>
#include <stdio.h>
#include <new>
struct Simple {
int x_;
Simple() {
x_ = 5;
}
~Simple() {
x_ += 1;
}
};
int main() {
unsigned long buf[1];
assert(sizeof(Simple) <= sizeof(buf));
Simple *s = new(&buf) Simple();
s->~Simple();
fprintf(stderr, "\n"); // Need output to parse for CHECK-UAD-OFF case
return s->x_;
// CHECK-UAD: WARNING: MemorySanitizer: use-of-uninitialized-value
// CHECK-UAD: {{#0 0x.* in main.*use-after-dtor.cpp:}}[[@LINE-3]]
// CHECK-ORIGINS: Memory was marked as uninitialized
// CHECK-ORIGINS: {{#0 0x.* in __sanitizer_dtor_callback}}
// CHECK-ORIGINS: {{#1 0x.* in .*~Simple}}
// CHECK-UAD: SUMMARY: MemorySanitizer: use-of-uninitialized-value {{.*main}}
// CHECK-UAD-OFF-NOT: SUMMARY: MemorySanitizer: use-of-uninitialized-value
}
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