xref: /llvm-project/clang/test/SemaCXX/offsetof-0x.cpp (revision 87461d669684668f02362f77807f313187667329) 
1 // RUN: %clang_cc1 -triple x86_64-apple-darwin10.0.0 -fsyntax-only -std=c++11 -verify %s -Winvalid-offsetof
2 // RUN: %clang_cc1 -triple x86_64-apple-darwin10.0.0 -fsyntax-only -std=c++11 -verify %s -Winvalid-offsetof -fexperimental-new-constant-interpreter
3 
4 struct NonPOD {
5   virtual void f();
6   int m;
7 };
8 
9 struct P {
10   NonPOD fieldThatPointsToANonPODType;
11 };
12 
f()13 void f() {
14   int i = __builtin_offsetof(P, fieldThatPointsToANonPODType.m); // expected-warning{{offset of on non-standard-layout type 'P'}}
15 }
16 
17 struct StandardLayout {
18   int x;
StandardLayoutStandardLayout19   StandardLayout() {}
20 };
21 int o = __builtin_offsetof(StandardLayout, x); // no-warning
22