forked from OSchip/llvm-project
104 lines
4.0 KiB
C++
104 lines
4.0 KiB
C++
// RUN: %clang_cc1 -Wno-int-to-pointer-cast -fsyntax-only -verify -pedantic-errors %s
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// RUN: %clang_cc1 -Wno-int-to-pointer-cast -fsyntax-only -verify -pedantic-errors -std=gnu++98 %s
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// RUN: %clang_cc1 -Wno-int-to-pointer-cast -fsyntax-only -verify -pedantic-errors -std=gnu++11 %s
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// RUN: %clang_cc1 -Wno-int-to-pointer-cast -fsyntax-only -verify -pedantic-errors -x objective-c++ %s
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void f() {
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int a;
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struct S { int m; };
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typedef S *T;
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// Expressions.
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T(a)->m = 7;
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int(a)++; // expected-error {{assignment to cast is illegal}}
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__extension__ int(a)++; // expected-error {{assignment to cast is illegal}}
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__typeof(int)(a,5)<<a; // expected-error {{excess elements in scalar initializer}}
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void(a), ++a;
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if (int(a)+1) {}
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for (int(a)+1;;) {} // expected-warning {{expression result unused}}
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a = sizeof(int()+1);
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a = sizeof(int(1));
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typeof(int()+1) a2; // expected-error {{extension used}}
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(int(1)); // expected-warning {{expression result unused}}
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// type-id
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(int())1; // expected-error {{C-style cast from 'int' to 'int ()' is not allowed}}
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// Declarations.
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int fd(T(a)); // expected-warning {{disambiguated as a function declaration}} expected-note{{add a pair of parentheses}}
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T(*d)(int(p)); // expected-note {{previous}}
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typedef T td(int(p));
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extern T tp(int(p));
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T d3(); // expected-warning {{empty parentheses interpreted as a function declaration}} expected-note {{replace parentheses with an initializer}}
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T d3v(void);
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typedef T d3t();
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extern T f3();
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__typeof(*T()) f4(); // expected-warning {{empty parentheses interpreted as a function declaration}} expected-note {{replace parentheses with an initializer}}
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typedef void *V;
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__typeof(*V()) f5(); // expected-error {{ISO C++ does not allow indirection on operand of type 'V' (aka 'void *')}}
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T multi1,
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multi2(); // expected-warning {{empty parentheses interpreted as a function declaration}} expected-note {{replace parentheses with an initializer}}
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T(d)[5]; // expected-error {{redefinition of 'd'}}
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typeof(int[])(f) = { 1, 2 }; // expected-error {{extension used}}
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void(b)(int);
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int(d2) __attribute__(());
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if (int(a)=1) {}
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int(d3(int()));
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}
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struct RAII {
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RAII();
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~RAII();
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};
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void func();
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void func2(short);
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namespace N {
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struct S;
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void emptyParens() {
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RAII raii(); // expected-warning {{function declaration}} expected-note {{remove parentheses to declare a variable}}
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int a, b, c, d, e, // expected-note {{change this ',' to a ';' to call 'func'}}
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func(); // expected-warning {{function declaration}} expected-note {{replace parentheses with an initializer}}
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S s(); // expected-warning {{function declaration}}
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#if __cplusplus >= 201103L
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// expected-note@-2 {{replace parentheses with an initializer to declare a variable}}
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#endif
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}
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void nonEmptyParens() {
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int f = 0, // g = 0; expected-note {{change this ',' to a ';' to call 'func2'}}
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func2(short(f)); // expected-warning {{function declaration}} expected-note {{add a pair of parentheses}}
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}
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}
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class C { };
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void fn(int(C)) { } // void fn(int(*fp)(C c)) { } expected-note{{candidate function}}
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// not: void fn(int C);
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int g(C);
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void foo() {
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fn(1); // expected-error {{no matching function}}
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fn(g); // OK
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}
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namespace PR11874 {
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void foo(); // expected-note 3 {{class 'foo' is hidden by a non-type declaration of 'foo' here}}
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class foo {};
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class bar {
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bar() {
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const foo* f1 = 0; // expected-error {{must use 'class' tag to refer to type 'foo' in this scope}}
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foo* f2 = 0; // expected-error {{must use 'class' tag to refer to type 'foo' in this scope}}
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foo f3; // expected-error {{must use 'class' tag to refer to type 'foo' in this scope}}
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}
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};
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int baz; // expected-note 2 {{class 'baz' is hidden by a non-type declaration of 'baz' here}}
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class baz {};
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void fizbin() {
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const baz* b1 = 0; // expected-error {{must use 'class' tag to refer to type 'baz' in this scope}}
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baz* b2; // expected-error {{use of undeclared identifier 'b2'}}
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baz b3; // expected-error {{must use 'class' tag to refer to type 'baz' in this scope}}
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}
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}
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