1 // RUN: %clang_cc1 %s -fsyntax-only -fblocks -verify -Wno-unreachable-code 2 3 // rdar://6597252 4 Class test1(Class X) { 5 return 1 ? X : X; 6 } 7 8 9 // rdar://6079877 10 void test2() { 11 id str = @"foo" 12 "bar\0" // no-warning 13 @"baz" " blarg"; 14 id str2 = @"foo" 15 "bar" 16 @"baz" 17 " b\0larg"; // no-warning 18 19 20 if (@encode(int) == "foo") { } // expected-warning {{result of comparison against @encode is unspecified}} 21 } 22 23 #define MAX(A,B) ({ __typeof__(A) __a = (A); __typeof__(B) __b = (B); __a < __b ? __b : __a; }) 24 void (^foo)(int, int) = ^(int x, int y) { int z = MAX(x, y); }; 25 26 27 28 // rdar://8445858 29 @class Object; 30 static Object *g; 31 void test3(Object *o) { 32 // this is ok. 33 __sync_bool_compare_and_swap(&g, 0, o); 34 } 35 36 @class Incomplete_ObjC_class; // expected-note{{forward declaration of class here}} 37 struct Incomplete_struct; // expected-note {{forward declaration}} 38 39 void test_encode() { 40 (void)@encode(Incomplete_ObjC_class); // expected-error {{incomplete type}} 41 (void)@encode(struct Incomplete_struct); // expected-error {{incomplete type}} 42 (void)@encode(Incomplete_ObjC_class*); 43 (void)@encode(id); 44 } 45
