1 | // RUN: %clang_cc1 -verify -fsyntax-only -std=c++11 -pedantic-errors -triple x86_64-linux-gnu %s |
2 | |
3 | // Make sure we know these are legitimate commas and not typos for ';'. |
4 | namespace Commas { |
5 | int a, |
6 | b [[ ]], |
7 | c alignas(double); |
8 | } |
9 | |
10 | struct S {}; |
11 | enum E { e, }; |
12 | |
13 | auto f() -> struct S { |
14 | return S(); |
15 | } |
16 | auto g() -> enum E { |
17 | return E(); |
18 | } |
19 | |
20 | int decltype(f())::*ptr_mem_decltype; |
21 | |
22 | class ExtraSemiAfterMemFn { |
23 | // Due to a peculiarity in the C++11 grammar, a deleted or defaulted function |
24 | // is permitted to be followed by either one or two semicolons. |
25 | void f() = delete // expected-error {{expected ';' after delete}} |
26 | void g() = delete; // ok |
27 | void h() = delete;; // ok |
28 | void i() = delete;;; // expected-error {{extra ';' after member function definition}} |
29 | }; |
30 | |
31 | int *const const p = 0; // expected-error {{duplicate 'const' declaration specifier}} |
32 | const const int *q = 0; // expected-error {{duplicate 'const' declaration specifier}} |
33 | |
34 | struct MultiCV { |
35 | void f() const const; // expected-error {{duplicate 'const' declaration specifier}} |
36 | }; |
37 | |
38 | static_assert(something, ""); // expected-error {{undeclared identifier}} |
39 | |
40 | // PR9903 |
41 | struct SS { |
42 | typedef void d() = default; // expected-error {{function definition declared 'typedef'}} expected-error {{only special member functions may be defaulted}} |
43 | }; |
44 | |
45 | using PR14855 = int S::; // expected-error {{expected ';' after alias declaration}} |
46 | |
47 | // Ensure that 'this' has a const-qualified type in a trailing return type for |
48 | // a constexpr function. |
49 | struct ConstexprTrailingReturn { |
50 | int n; |
51 | constexpr auto f() const -> decltype((n)); |
52 | }; |
53 | constexpr const int &ConstexprTrailingReturn::f() const { return n; } |
54 | |
55 | namespace TestIsValidAfterTypeSpecifier { |
56 | struct s {} v; |
57 | |
58 | struct s |
59 | thread_local tl; |
60 | |
61 | struct s |
62 | &r0 = v; |
63 | |
64 | struct s |
65 | &&r1 = s(); |
66 | |
67 | struct s |
68 | bitand r2 = v; |
69 | |
70 | struct s |
71 | and r3 = s(); |
72 | |
73 | enum E {}; |
74 | enum E |
75 | [[]] e; |
76 | |
77 | } |
78 | |
79 | namespace PR5066 { |
80 | using T = int (*f)(); // expected-error {{type-id cannot have a name}} |
81 | template<typename T> using U = int (*f)(); // expected-error {{type-id cannot have a name}} |
82 | auto f() -> int (*f)(); // expected-error {{only variables can be initialized}} expected-error {{expected ';'}} |
83 | auto g = []() -> int (*f)() {}; // expected-error {{type-id cannot have a name}} |
84 | } |
85 | |
86 | namespace FinalOverride { |
87 | struct Base { |
88 | virtual void *f(); |
89 | virtual void *g(); |
90 | virtual void *h(); |
91 | virtual void *i(); |
92 | }; |
93 | struct Derived : Base { |
94 | virtual auto f() -> void *final; |
95 | virtual auto g() -> void *override; |
96 | virtual auto h() -> void *final override; |
97 | virtual auto i() -> void *override final; |
98 | }; |
99 | } |
100 | |
101 | namespace UsingDeclAttrs { |
102 | using T __attribute__((aligned(1))) = int; |
103 | using T [[gnu::aligned(1)]] = int; |
104 | static_assert(alignof(T) == 1, ""); |
105 | |
106 | using [[gnu::aligned(1)]] T = int; // expected-error {{an attribute list cannot appear here}} |
107 | using T = int [[gnu::aligned(1)]]; // expected-error {{'aligned' attribute cannot be applied to types}} |
108 | } |
109 | |
110 | namespace DuplicateSpecifier { |
111 | constexpr constexpr int f(); // expected-warning {{duplicate 'constexpr' declaration specifier}} |
112 | constexpr int constexpr a = 0; // expected-warning {{duplicate 'constexpr' declaration specifier}} |
113 | |
114 | struct A { |
115 | friend constexpr int constexpr friend f(); // expected-warning {{duplicate 'friend' declaration specifier}} \ |
116 | // expected-warning {{duplicate 'constexpr' declaration specifier}} |
117 | friend struct A friend; // expected-warning {{duplicate 'friend'}} expected-error {{'friend' must appear first}} |
118 | }; |
119 | } |
120 | |
121 | namespace ColonColonDecltype { |
122 | struct S { struct T {}; }; |
123 | ::decltype(S())::T invalid; // expected-error {{expected unqualified-id}} |
124 | } |
125 | |
126 | namespace AliasDeclEndLocation { |
127 | template<typename T> struct A {}; |
128 | // Ensure that we correctly determine the end of this declaration to be the |
129 | // end of the annotation token, not the beginning. |
130 | using B = AliasDeclEndLocation::A<int |
131 | > // expected-error {{expected ';' after alias declaration}} |
132 | +; |
133 | using C = AliasDeclEndLocation::A<int |
134 | >\ |
135 | > // expected-error {{expected ';' after alias declaration}} |
136 | ; |
137 | using D = AliasDeclEndLocation::A<int |
138 | > // expected-error {{expected ';' after alias declaration}} |
139 | // FIXME: After splitting this >> into two > tokens, we incorrectly determine |
140 | // the end of the template-id to be after the *second* '>'. |
141 | using E = AliasDeclEndLocation::A<int>>; |
142 | #define GGG >>> |
143 | using F = AliasDeclEndLocation::A<int GGG; |
144 | // expected-error@-1 {{expected ';' after alias declaration}} |
145 | B something_else; |
146 | } |
147 | |
148 | struct Base { virtual void f() = 0; virtual void g() = 0; virtual void h() = 0; }; |
149 | struct MemberComponentOrder : Base { |
150 | void f() override __asm__("foobar") __attribute__(( )) {} |
151 | void g() __attribute__(( )) override; |
152 | void h() __attribute__(( )) override {} |
153 | }; |
154 | |
155 | void NoMissingSemicolonHere(struct S |
156 | [3]); |
157 | template<int ...N> void NoMissingSemicolonHereEither(struct S |
158 | ... [N]); |
159 | |
160 | // This must be at the end of the file; we used to look ahead past the EOF token here. |
161 | // expected-error@+1 {{expected unqualified-id}} expected-error@+1{{expected ';'}} |
162 | using |
163 | |