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45 lines
1.1 KiB
45 lines
1.1 KiB
4 months ago
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// RUN: %clang_cc1 %s -fsyntax-only -fblocks -verify -Wno-unreachable-code
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// rdar://6597252
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Class test1(Class X) {
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return 1 ? X : X;
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}
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// rdar://6079877
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void test2() {
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id str = @"foo"
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"bar\0" // no-warning
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@"baz" " blarg";
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id str2 = @"foo"
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"bar"
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@"baz"
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" b\0larg"; // no-warning
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if (@encode(int) == "foo") { } // expected-warning {{result of comparison against @encode is unspecified}}
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}
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#define MAX(A,B) ({ __typeof__(A) __a = (A); __typeof__(B) __b = (B); __a < __b ? __b : __a; })
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void (^foo)(int, int) = ^(int x, int y) { int z = MAX(x, y); };
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// rdar://8445858
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@class Object;
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static Object *g;
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void test3(Object *o) {
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// this is ok.
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__sync_bool_compare_and_swap(&g, 0, o);
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}
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@class Incomplete_ObjC_class; // expected-note{{forward declaration of class here}}
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struct Incomplete_struct; // expected-note {{forward declaration}}
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void test_encode() {
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(void)@encode(Incomplete_ObjC_class); // expected-error {{incomplete type}}
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(void)@encode(struct Incomplete_struct); // expected-error {{incomplete type}}
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(void)@encode(Incomplete_ObjC_class*);
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(void)@encode(id);
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}
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