1f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne// RUN: %clang_cc1 -std=c1x -fsyntax-only -verify %s 2f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne 3f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbournevoid foo(int n) { 4f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne (void) _Generic(0, 5f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne struct A: 0, // expected-error {{type 'struct A' in generic association incomplete}} 6f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne void(): 0, // expected-error {{type 'void ()' in generic association not an object type}} 7f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne int[n]: 0); // expected-error {{type 'int [n]' in generic association is a variably modified type}} 8f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne 9f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne (void) _Generic(0, 10f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne void (*)(): 0, // expected-note {{compatible type 'void (*)()' specified here}} 11f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne void (*)(void): 0); // expected-error {{type 'void (*)(void)' in generic association compatible with previously specified type 'void (*)()'}} 12f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne 13f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne (void) _Generic((void (*)()) 0, // expected-error {{controlling expression type 'void (*)()' compatible with 2 generic association types}} 14f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne void (*)(int): 0, // expected-note {{compatible type 'void (*)(int)' specified here}} 15f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne void (*)(void): 0); // expected-note {{compatible type 'void (*)(void)' specified here}} 16f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne 17f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne (void) _Generic(0, // expected-error {{controlling expression type 'int' not compatible with any generic association type}} 18f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne char: 0, short: 0, long: 0); 19f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne 20f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne int a1[_Generic(0, int: 1, short: 2, float: 3, default: 4) == 1 ? 1 : -1]; 21f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne int a2[_Generic(0, default: 1, short: 2, float: 3, int: 4) == 4 ? 1 : -1]; 22f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne int a3[_Generic(0L, int: 1, short: 2, float: 3, default: 4) == 4 ? 1 : -1]; 23f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne int a4[_Generic(0L, default: 1, short: 2, float: 3, int: 4) == 1 ? 1 : -1]; 24f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne int a5[_Generic(0, int: 1, short: 2, float: 3) == 1 ? 1 : -1]; 25f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne int a6[_Generic(0, short: 1, float: 2, int: 3) == 3 ? 1 : -1]; 26f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne} 27