forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			139 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			139 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			C++
		
	
	
	
| // RUN: %clang_cc1 -verify -fsyntax-only -std=c++11 -pedantic-errors -triple x86_64-linux-gnu %s
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| 
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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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| 
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| struct S {};
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| enum E { e, };
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| static_assert(something, ""); // expected-error {{undeclared identifier}}
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| 
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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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| 
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| using PR14855 = int S::; // expected-error {{expected ';' after alias declaration}}
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| 
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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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| 
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| namespace TestIsValidAfterTypeSpecifier {
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| struct s {} v;
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| 
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| struct s
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| thread_local tl;
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| 
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| struct s
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| &r0 = v;
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| 
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| struct s
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| &&r1 = s();
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| 
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| struct s
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| bitand r2 = v;
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| 
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| struct s
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| and r3 = s();
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| 
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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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| }
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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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| 
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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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| 
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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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| 
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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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| 
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| namespace DuplicateSpecifier {
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|   constexpr constexpr int f(); // expected-warning {{duplicate 'constexpr' declaration specifier}}
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|   constexpr int constexpr a = 0; // expected-warning {{duplicate 'constexpr' declaration specifier}}
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| 
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|   struct A {
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|     friend constexpr int constexpr friend f(); // expected-warning {{duplicate 'friend' declaration specifier}} \
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|                                                // expected-warning {{duplicate 'constexpr' declaration specifier}}
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|     friend struct A friend; // expected-warning {{duplicate 'friend'}} expected-error {{'friend' must appear first}}
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|   };
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| }
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| 
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| namespace ColonColonDecltype {
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|   struct S { struct T {}; };
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|   ::decltype(S())::T invalid; // expected-error {{expected unqualified-id}}
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| }
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| 
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| struct Base { virtual void f() = 0; virtual void g() = 0; virtual void h() = 0; };
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| struct MemberComponentOrder : Base {
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|   void f() override __asm__("foobar") __attribute__(( )) {}
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|   void g() __attribute__(( )) override;
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|   void h() __attribute__(( )) override {}
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| };
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| 
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| void NoMissingSemicolonHere(struct S
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|                             [3]);
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| template<int ...N> void NoMissingSemicolonHereEither(struct S
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|                                                      ... [N]);
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| 
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| // This must be at the end of the file; we used to look ahead past the EOF token here.
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| // expected-error@+1 {{expected unqualified-id}}
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| using
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