forked from OSchip/llvm-project
82 lines
1.5 KiB
C++
82 lines
1.5 KiB
C++
// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify -std=c++11 %s
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namespace PR26599 {
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template <typename>
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struct S;
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struct I {};
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template <typename T>
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void *&non_pointer() {
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void *&r = S<T>()[I{}];
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return r;
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}
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template <typename T>
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void *&pointer() {
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void *&r = S<T>()[nullptr];
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return r;
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}
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}
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namespace LocalTemporary {
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template <class T>
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class QMap {
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public:
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T value(const T &t = T()) const {
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return t;
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}
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};
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struct A {};
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void test() {
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QMap<A *> map;
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map.value();
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}
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typedef int* ptr;
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ptr int1(const ptr &p = ptr()) {
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return (p);
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}
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ptr int2(const ptr &p = nullptr) {
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return p;
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}
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ptr int3() {
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const ptr &p = ptr();
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return p;
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}
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const int *int4(const int &x = 5) {
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return &x;
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}
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const int *int5(const int &x) {
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return &x;
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}
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const int *int6() {
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const int &x = 11; //expected-note{{binding reference variable 'x' here}}
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return &x; //expected-warning{{returning address of local temporary object}}
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}
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const int *int7(int x) {
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const int &x2 = x; // expected-note{{binding reference variable 'x2' here}}
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return &x2; // expected-warning{{address of stack memory associated with parameter 'x' returned}}
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}
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const int *int8(const int &x = 5) {
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const int &x2 = x;
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return &x2;
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}
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const int *int9() {
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const int &x = 5; // expected-note{{binding reference variable 'x' here}}
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const int &x2 = x; // expected-note{{binding reference variable 'x2' here}}
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return &x2; // expected-warning{{returning address of local temporary object}}
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}
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}
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