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1// RUN: %clang_cl_asan %Od %s %Fe%t2// RUN: not %run %t 2>&1 | FileCheck %s3 4#include <malloc.h>5 6int main() {7  int *buffer = (int*)calloc(42, sizeof(int));8  buffer[-1] = 42;9  // CHECK: AddressSanitizer: heap-buffer-overflow on address [[ADDR:0x[0-9a-f]+]]10  // CHECK: WRITE of size 4 at [[ADDR]] thread T011  // CHECK-NEXT: {{#0 .* main .*calloc_left_oob.cpp}}:[[@LINE-3]]12  // CHECK: [[ADDR]] is located 4 bytes before 168-byte region13  // CHECK: allocated by thread T0 here:14  // CHECK: {{#0 .* calloc }}15  // CHECK: {{ #[1-3] .* main .*calloc_left_oob.cpp}}:[[@LINE-8]]16  free(buffer);17}18