1 // RUN: clang-cc -fsyntax-only -verify -pedantic-errors %s 2 3 void f() { 4 int a; 5 struct S { int m; }; 6 typedef S *T; 7 8 // Expressions. 9 T(a)->m = 7; 10 int(a)++; // expected-error {{expression is not assignable}} 11 __extension__ int(a)++; // expected-error {{expression is not assignable}} 12 __typeof(int)(a,5)<<a; // expected-error {{function-style cast to a builtin type can only take one argument}} 13 void(a), ++a; // expected-warning {{expression result unused}} 14 if (int(a)+1) {} 15 for (int(a)+1;;) {} // expected-warning {{expression result unused}} 16 a = sizeof(int()+1); 17 a = sizeof(int(1)); 18 typeof(int()+1) a2; // expected-error {{extension used}} 19 (int(1)); // expected-warning {{expression result unused}} 20 21 // type-id 22 (int())1; // expected-error {{C-style cast from 'int' to 'int ()' is not allowed}} 23 24 // Declarations. 25 int fd(T(a)); // expected-warning {{parentheses were disambiguated as a function declarator}} 26 T(*d)(int(p)); // expected-warning {{parentheses were disambiguated as a function declarator}} expected-note {{previous definition is here}} 27 T(d)[5]; // expected-error {{redefinition of 'd'}} 28 typeof(int[])(f) = { 1, 2 }; // expected-error {{extension used}} 29 void(b)(int); 30 int(d2) __attribute__(()); 31 if (int(a)=1) {} 32 int(d3(int())); 33 } 34 35 class C { }; 36 void fn(int(C)) { } // void fn(int(*fp)(C c)) { } expected-note{{candidate function}} 37 // not: void fn(int C); 38 int g(C); 39 40 void foo() { 41 fn(1); // expected-error {{no matching function}} 42 fn(g); // OK 43 } 44