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