1 // RUN: %clang_cc1 -triple=x86_64-pc-linux-gnu -Wover-aligned %s -isystem %S/Inputs -verify
2 
3 // This test ensures that we still get the warning even if we #include <new>
4 // where the header here simulates <new>.
5 #include <warn-new-overaligned-3.h>
6 
7 namespace test1 {
8 struct Test {
9   template <typename T>
10   struct SeparateCacheLines {
11     T data;
12   } __attribute__((aligned(256)));
13 
14   SeparateCacheLines<int> high_contention_data[10];
15 };
16 
helper()17 void helper() {
18   Test t;
19   new Test;  // expected-warning {{type 'test1::Test' requires 256 bytes of alignment and the default allocator only guarantees}}
20   new Test[10];  // expected-warning {{type 'test1::Test' requires 256 bytes of alignment and the default allocator only guarantees}}
21 }
22 }
23 
24 namespace test2 {
25 struct helper { int i __attribute__((aligned(256))); };
26 
27 struct Placement {
Placementtest2::Placement28   Placement() {
29     new (d) helper();
30   }
31   helper *d;
32 };
33 }
34