64 lines
2.1 KiB
C++
64 lines
2.1 KiB
C++
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// RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++98
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// RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++11
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typedef __SIZE_TYPE__ size_t;
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#if __cplusplus >= 201103L
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struct S1 {
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void *operator new(size_t n) {
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return nullptr; // expected-warning {{'operator new' should not return a null pointer unless it is declared 'throw()' or 'noexcept'}}
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}
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void *operator new[](size_t n) noexcept {
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return __null;
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}
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};
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#endif
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struct S2 {
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static size_t x;
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void *operator new(size_t n) throw() {
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return 0;
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}
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void *operator new[](size_t n) {
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return (void*)0;
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#if __cplusplus >= 201103L
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// expected-warning@-2 {{'operator new[]' should not return a null pointer unless it is declared 'throw()' or 'noexcept'}}
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#else
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// expected-warning-re@-4 {{'operator new[]' should not return a null pointer unless it is declared 'throw()'{{$}}}}
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#endif
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}
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};
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struct S3 {
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void *operator new(size_t n) {
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return 1-1;
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#if __cplusplus >= 201103L
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// expected-error@-2 {{cannot initialize return object of type 'void *' with an rvalue of type 'int'}}
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#else
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// expected-warning@-4 {{expression which evaluates to zero treated as a null pointer constant of type 'void *'}}
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// expected-warning@-5 {{'operator new' should not return a null pointer unless it is declared 'throw()'}}
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#endif
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}
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void *operator new[](size_t n) {
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return (void*)(1-1); // expected-warning {{'operator new[]' should not return a null pointer unless it is declared 'throw()'}}
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}
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};
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#if __cplusplus >= 201103L
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template<bool B> struct S4 {
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void *operator new(size_t n) noexcept(B) {
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return 0; // expected-warning {{'operator new' should not return a null pointer}}
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}
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};
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template struct S4<true>;
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template struct S4<false>; // expected-note {{in instantiation of}}
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#endif
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template<typename ...T> struct S5 { // expected-warning 0-1{{extension}}
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void *operator new(size_t n) throw(T...) {
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return 0; // expected-warning {{'operator new' should not return a null pointer}}
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}
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};
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template struct S5<>;
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template struct S5<int>; // expected-note {{in instantiation of}}
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