1 // RUN: %clang_cl_asan %Od %s %Fe%t
2 // RUN: not %run %t 2>&1 | FileCheck %s
3
main()4 int 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.cpp}}:[[@LINE-3]]
10 //
11 // CHECK: [[ADDR]] is located 1 bytes before 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.cpp}}:[[@LINE-9]]
15 delete [] buffer;
16 }
17