1// RUN: %clang_cl_asan -O0 %s -Fe%t
2// RUN: not %run %t 2>&1 | FileCheck %s
3
4int main() {
5  char *buffer = new char[42];
6  buffer[-1] = 42;
7// CHECK: AddressSanitizer: heap-buffer-overflow on address [[ADDR:0x[0-9a-f]+]]
8// CHECK: WRITE of size 1 at [[ADDR]] thread T0
9// CHECK-NEXT: {{#0 .* main .*operator_array_new_left_oob.cc}}:[[@LINE-3]]
10//
11// CHECK: [[ADDR]] is located 1 bytes to the left of 42-byte region
12// CHECK-LABEL: allocated by thread T0 here:
13// CHECK-NEXT: {{#0 .* operator new}}[]
14// CHECK-NEXT: {{#1 .* main .*operator_array_new_left_oob.cc}}:[[@LINE-9]]
15  delete [] buffer;
16}
17