107 lines
2.8 KiB
C++
107 lines
2.8 KiB
C++
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// RUN: %clang_cc1 -verify -fsyntax-only -std=c++11 -pedantic-errors -triple x86_64-linux-gnu %s
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// Make sure we know these are legitimate commas and not typos for ';'.
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namespace Commas {
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int a,
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b [[ ]],
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c alignas(double);
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}
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struct S {};
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enum E { e, };
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auto f() -> struct S {
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return S();
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}
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auto g() -> enum E {
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return E();
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}
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class ExtraSemiAfterMemFn {
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// Due to a peculiarity in the C++11 grammar, a deleted or defaulted function
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// is permitted to be followed by either one or two semicolons.
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void f() = delete // expected-error {{expected ';' after delete}}
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void g() = delete; // ok
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void h() = delete;; // ok
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void i() = delete;;; // expected-error {{extra ';' after member function definition}}
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};
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int *const const p = 0; // expected-error {{duplicate 'const' declaration specifier}}
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const const int *q = 0; // expected-error {{duplicate 'const' declaration specifier}}
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struct MultiCV {
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void f() const const; // expected-error {{duplicate 'const' declaration specifier}}
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};
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static_assert(something, ""); // expected-error {{undeclared identifier}}
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// PR9903
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struct SS {
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typedef void d() = default; // expected-error {{function definition declared 'typedef'}} expected-error {{only special member functions may be defaulted}}
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};
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using PR14855 = int S::; // expected-error {{expected ';' after alias declaration}}
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// Ensure that 'this' has a const-qualified type in a trailing return type for
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// a constexpr function.
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struct ConstexprTrailingReturn {
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int n;
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constexpr auto f() const -> decltype((n));
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};
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constexpr const int &ConstexprTrailingReturn::f() const { return n; }
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namespace TestIsValidAfterTypeSpecifier {
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struct s {} v;
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struct s
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thread_local tl;
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struct s
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&r0 = v;
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struct s
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&&r1 = s();
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struct s
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bitand r2 = v;
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struct s
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and r3 = s();
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enum E {};
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enum E
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[[]] e;
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}
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namespace PR5066 {
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using T = int (*f)(); // expected-error {{type-id cannot have a name}}
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template<typename T> using U = int (*f)(); // expected-error {{type-id cannot have a name}}
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auto f() -> int (*f)(); // expected-error {{type-id cannot have a name}}
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auto g = []() -> int (*f)() {}; // expected-error {{type-id cannot have a name}}
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}
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namespace FinalOverride {
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struct Base {
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virtual void *f();
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virtual void *g();
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virtual void *h();
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virtual void *i();
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};
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struct Derived : Base {
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virtual auto f() -> void *final;
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virtual auto g() -> void *override;
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virtual auto h() -> void *final override;
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virtual auto i() -> void *override final;
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};
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}
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namespace UsingDeclAttrs {
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using T __attribute__((aligned(1))) = int;
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using T [[gnu::aligned(1)]] = int;
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static_assert(alignof(T) == 1, "");
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using [[gnu::aligned(1)]] T = int; // expected-error {{an attribute list cannot appear here}}
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using T = int [[gnu::aligned(1)]]; // expected-error {{'aligned' attribute cannot be applied to types}}
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}
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