1 // REQUIRES: x86-registered-target
2 // RUN: %clang_cc1 -emit-llvm -triple x86_64 -fsanitize=array-bounds %s -o - | FileCheck %s --check-prefixes=CHECK,CHECK-STRICT-0
3 //
4 // Disable checks on FAM even though the class doesn't have standard layout.
5 
6 struct C {
7   int head;
8 };
9 
10 struct S : C {
11   int tail[1];
12 };
13 
14 // CHECK-LABEL: define {{.*}} @_Z8test_oneP1Si(
15 int test_one(S *p, int i) {
16   // CHECK-STRICT-0-NOT: @__ubsan
17   return p->tail[i] + (p->tail)[i];
18 }
19