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// RUN: %clang_cc1 -std=c++11 -fobjc-runtime-has-weak -fobjc-weak -fobjc-arc -fsyntax-only -verify %s
void __attribute__((trivial_abi)) foo(); // expected-warning {{'trivial_abi' attribute only applies to classes}}
struct [[clang::trivial_abi]] S0 {
int a;
};
struct __attribute__((trivial_abi)) S1 {
int a;
};
struct __attribute__((trivial_abi)) S2 { // expected-warning {{'trivial_abi' cannot be applied to 'S2'}}
__weak id a;
};
struct __attribute__((trivial_abi)) S3 { // expected-warning {{'trivial_abi' cannot be applied to 'S3'}}
virtual void m();
};
struct S3_2 {
virtual void m();
} __attribute__((trivial_abi)); // expected-warning {{'trivial_abi' cannot be applied to 'S3_2'}}
struct S4 {
int a;
};
struct __attribute__((trivial_abi)) S5 : public virtual S4 { // expected-warning {{'trivial_abi' cannot be applied to 'S5'}}
};
struct __attribute__((trivial_abi)) S9 : public S4 {
};
struct S6 {
__weak id a;
};
struct __attribute__((trivial_abi)) S12 { // expected-warning {{'trivial_abi' cannot be applied to 'S12'}}
__weak id a;
};
struct __attribute__((trivial_abi)) S13 { // expected-warning {{'trivial_abi' cannot be applied to 'S13'}}
__weak id a[2];
};
struct __attribute__((trivial_abi)) S7 { // expected-warning {{'trivial_abi' cannot be applied to 'S7'}}
S6 a;
};
struct __attribute__((trivial_abi)) S11 { // expected-warning {{'trivial_abi' cannot be applied to 'S11'}}
S6 a[2];
};
struct __attribute__((trivial_abi(1))) S8 { // expected-error {{'trivial_abi' attribute takes no arguments}}
int a;
};
// Do not warn when 'trivial_abi' is used to annotate a template class.
template<class T>
struct __attribute__((trivial_abi)) S10 {
T p;
};
S10<int *> p1;
S10<__weak id> p2;
template<>
struct __attribute__((trivial_abi)) S10<id> { // expected-warning {{'trivial_abi' cannot be applied to 'S10<id>'}}
__weak id a;
};
template<class T>
struct S14 {
T a;
__weak id b;
};
template<class T>
struct __attribute__((trivial_abi)) S15 : S14<T> {
};
S15<int> s15;
template<class T>
struct __attribute__((trivial_abi)) S16 {
S14<T> a;
};
S16<int> s16;
template<class T>
struct __attribute__((trivial_abi)) S17 { // expected-warning {{'trivial_abi' cannot be applied to 'S17'}}
__weak id a;
};
S17<int> s17;
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