115 lines
2.8 KiB
C++
115 lines
2.8 KiB
C++
// RUN: %clang_cc1 %s -std=c++11 -fcxx-exceptions -fexceptions -fsyntax-only -Wignored-qualifiers -verify
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int test1() {
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throw;
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}
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// PR5071
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template<typename T> T f() { }
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template<typename T>
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void g(T t) {
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return t * 2; // okay
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}
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template<typename T>
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T h() {
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return 17;
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}
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// Don't warn on cv-qualified class return types, only scalar return types.
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namespace ignored_quals {
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struct S {};
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const S class_c();
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const volatile S class_cv();
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const int scalar_c(); // expected-warning{{'const' type qualifier on return type has no effect}}
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int const scalar_c2(); // expected-warning{{'const' type qualifier on return type has no effect}}
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const
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char*
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const // expected-warning{{'const' type qualifier on return type has no effect}}
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f();
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char
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const*
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const // expected-warning{{'const' type qualifier on return type has no effect}}
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g();
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char* const h(); // expected-warning{{'const' type qualifier on return type has no effect}}
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char* volatile i(); // expected-warning{{'volatile' type qualifier on return type has no effect}}
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char*
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volatile // expected-warning{{'const volatile' type qualifiers on return type have no effect}}
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const
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j();
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const volatile int scalar_cv(); // expected-warning{{'const volatile' type qualifiers on return type have no effect}}
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// FIXME: Maintain enough information that we can point the diagnostic at the 'volatile' keyword.
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const
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int S::*
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volatile
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mixed_ret(); // expected-warning {{'volatile' type qualifier on return type has no effect}}
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const int volatile // expected-warning {{'const volatile' type qualifiers on return type have no effect}}
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(((parens())));
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_Atomic(int) atomic();
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_Atomic // expected-warning {{'_Atomic' type qualifier on return type has no effect}}
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int
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atomic();
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auto
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trailing_return_type() -> // expected-warning {{'const' type qualifier on return type has no effect}}
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const int;
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const int ret_array()[4]; // expected-error {{cannot return array}}
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}
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namespace PR9328 {
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typedef char *PCHAR;
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class Test
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{
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const PCHAR GetName() { return 0; } // expected-warning{{'const' type qualifier on return type has no effect}}
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};
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}
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class foo {
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operator const int ();
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operator int * const ();
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};
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namespace PR10057 {
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struct S {
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~S();
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};
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template <class VarType>
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void Test(const VarType& value) {
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return S() = value;
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}
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}
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namespace return_has_expr {
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struct S {
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S() {
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return 42; // expected-error {{constructor 'S' should not return a value}}
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}
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~S() {
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return 42; // expected-error {{destructor '~S' should not return a value}}
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}
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};
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}
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// rdar://15366494
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// pr17759
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namespace ctor_returns_void {
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void f() {}
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struct S {
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S() { return f(); }; // expected-error {{constructor 'S' must not return void expression}}
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~S() { return f(); } // expected-error {{destructor '~S' must not return void expression}}
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};
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}
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