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