f4a2713ac8
Change-Id: Ia40e9ffdf29b5dab2f122f673ff6802a58bc690f
215 lines
11 KiB
Text
215 lines
11 KiB
Text
// RUN: %clang_cc1 -fsyntax-only -fobjc-arc -fobjc-runtime-has-weak -verify -std=c++11 %s
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// expected-no-diagnostics
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// Check the results of the various type-trait query functions on
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// lifetime-qualified types in ARC.
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#define JOIN3(X,Y) X ## Y
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#define JOIN2(X,Y) JOIN3(X,Y)
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#define JOIN(X,Y) JOIN2(X,Y)
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#define TRAIT_IS_TRUE(Trait, Type) char JOIN2(Trait,__LINE__)[Trait(Type)? 1 : -1]
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#define TRAIT_IS_FALSE(Trait, Type) char JOIN2(Trait,__LINE__)[Trait(Type)? -1 : 1]
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#define TRAIT_IS_TRUE_2(Trait, Type1, Type2) char JOIN2(Trait,__LINE__)[Trait(Type1, Type2)? 1 : -1]
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#define TRAIT_IS_FALSE_2(Trait, Type1, Type2) char JOIN2(Trait,__LINE__)[Trait(Type1, Type2)? -1 : 1]
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struct HasStrong { id obj; };
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struct HasWeak { __weak id obj; };
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struct HasUnsafeUnretained { __unsafe_unretained id obj; };
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// __has_nothrow_assign
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TRAIT_IS_TRUE(__has_nothrow_assign, __strong id);
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TRAIT_IS_TRUE(__has_nothrow_assign, __weak id);
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TRAIT_IS_TRUE(__has_nothrow_assign, __autoreleasing id);
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TRAIT_IS_TRUE(__has_nothrow_assign, __unsafe_unretained id);
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TRAIT_IS_TRUE(__has_nothrow_assign, HasStrong);
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TRAIT_IS_TRUE(__has_nothrow_assign, HasWeak);
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TRAIT_IS_TRUE(__has_nothrow_assign, HasUnsafeUnretained);
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// __has_nothrow_copy
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TRAIT_IS_TRUE(__has_nothrow_copy, __strong id);
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TRAIT_IS_TRUE(__has_nothrow_copy, __weak id);
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TRAIT_IS_TRUE(__has_nothrow_copy, __autoreleasing id);
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TRAIT_IS_TRUE(__has_nothrow_copy, __unsafe_unretained id);
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TRAIT_IS_TRUE(__has_nothrow_copy, HasStrong);
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TRAIT_IS_TRUE(__has_nothrow_copy, HasWeak);
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TRAIT_IS_TRUE(__has_nothrow_copy, HasUnsafeUnretained);
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// __has_nothrow_constructor
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TRAIT_IS_TRUE(__has_nothrow_constructor, __strong id);
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TRAIT_IS_TRUE(__has_nothrow_constructor, __weak id);
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TRAIT_IS_TRUE(__has_nothrow_constructor, __autoreleasing id);
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TRAIT_IS_TRUE(__has_nothrow_constructor, __unsafe_unretained id);
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TRAIT_IS_TRUE(__has_nothrow_constructor, HasStrong);
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TRAIT_IS_TRUE(__has_nothrow_constructor, HasWeak);
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TRAIT_IS_TRUE(__has_nothrow_constructor, HasUnsafeUnretained);
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// __has_trivial_assign
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TRAIT_IS_FALSE(__has_trivial_assign, __strong id);
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TRAIT_IS_FALSE(__has_trivial_assign, __weak id);
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TRAIT_IS_FALSE(__has_trivial_assign, __autoreleasing id);
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TRAIT_IS_TRUE(__has_trivial_assign, __unsafe_unretained id);
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TRAIT_IS_FALSE(__has_trivial_assign, HasStrong);
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TRAIT_IS_FALSE(__has_trivial_assign, HasWeak);
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TRAIT_IS_TRUE(__has_trivial_assign, HasUnsafeUnretained);
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// __has_trivial_copy
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TRAIT_IS_FALSE(__has_trivial_copy, __strong id);
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TRAIT_IS_FALSE(__has_trivial_copy, __weak id);
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TRAIT_IS_FALSE(__has_trivial_copy, __autoreleasing id);
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TRAIT_IS_TRUE(__has_trivial_copy, __unsafe_unretained id);
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TRAIT_IS_FALSE(__has_trivial_copy, HasStrong);
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TRAIT_IS_FALSE(__has_trivial_copy, HasWeak);
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TRAIT_IS_TRUE(__has_trivial_copy, HasUnsafeUnretained);
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// __has_trivial_constructor
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TRAIT_IS_FALSE(__has_trivial_constructor, __strong id);
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TRAIT_IS_FALSE(__has_trivial_constructor, __weak id);
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TRAIT_IS_FALSE(__has_trivial_constructor, __autoreleasing id);
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TRAIT_IS_TRUE(__has_trivial_constructor, __unsafe_unretained id);
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TRAIT_IS_FALSE(__has_trivial_constructor, HasStrong);
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TRAIT_IS_FALSE(__has_trivial_constructor, HasWeak);
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TRAIT_IS_TRUE(__has_trivial_constructor, HasUnsafeUnretained);
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// __has_trivial_destructor
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TRAIT_IS_FALSE(__has_trivial_destructor, __strong id);
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TRAIT_IS_FALSE(__has_trivial_destructor, __weak id);
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TRAIT_IS_TRUE(__has_trivial_destructor, __autoreleasing id);
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TRAIT_IS_TRUE(__has_trivial_destructor, __unsafe_unretained id);
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TRAIT_IS_FALSE(__has_trivial_destructor, HasStrong);
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TRAIT_IS_FALSE(__has_trivial_destructor, HasWeak);
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TRAIT_IS_TRUE(__has_trivial_destructor, HasUnsafeUnretained);
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// __is_literal
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TRAIT_IS_TRUE(__is_literal, __strong id);
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TRAIT_IS_TRUE(__is_literal, __weak id);
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TRAIT_IS_TRUE(__is_literal, __autoreleasing id);
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TRAIT_IS_TRUE(__is_literal, __unsafe_unretained id);
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// __is_literal_type
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TRAIT_IS_TRUE(__is_literal_type, __strong id);
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TRAIT_IS_TRUE(__is_literal_type, __weak id);
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TRAIT_IS_TRUE(__is_literal_type, __autoreleasing id);
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TRAIT_IS_TRUE(__is_literal_type, __unsafe_unretained id);
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// __is_pod
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TRAIT_IS_FALSE(__is_pod, __strong id);
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TRAIT_IS_FALSE(__is_pod, __weak id);
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TRAIT_IS_FALSE(__is_pod, __autoreleasing id);
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TRAIT_IS_TRUE(__is_pod, __unsafe_unretained id);
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TRAIT_IS_FALSE(__is_pod, HasStrong);
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TRAIT_IS_FALSE(__is_pod, HasWeak);
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TRAIT_IS_TRUE(__is_pod, HasUnsafeUnretained);
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// __is_trivial
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TRAIT_IS_FALSE(__is_trivial, __strong id);
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TRAIT_IS_FALSE(__is_trivial, __weak id);
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TRAIT_IS_FALSE(__is_trivial, __autoreleasing id);
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TRAIT_IS_TRUE(__is_trivial, __unsafe_unretained id);
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TRAIT_IS_FALSE(__is_trivial, HasStrong);
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TRAIT_IS_FALSE(__is_trivial, HasWeak);
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TRAIT_IS_TRUE(__is_trivial, HasUnsafeUnretained);
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// __is_scalar
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TRAIT_IS_FALSE(__is_scalar, __strong id);
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TRAIT_IS_FALSE(__is_scalar, __weak id);
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TRAIT_IS_FALSE(__is_scalar, __autoreleasing id);
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TRAIT_IS_TRUE(__is_scalar, __unsafe_unretained id);
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// __is_standard_layout
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TRAIT_IS_TRUE(__is_standard_layout, __strong id);
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TRAIT_IS_TRUE(__is_standard_layout, __weak id);
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TRAIT_IS_TRUE(__is_standard_layout, __autoreleasing id);
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TRAIT_IS_TRUE(__is_standard_layout, __unsafe_unretained id);
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// __is_trivally_assignable
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TRAIT_IS_FALSE_2(__is_trivially_assignable, __strong id&, __strong id);
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TRAIT_IS_FALSE_2(__is_trivially_assignable, __strong id&, __weak id);
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TRAIT_IS_FALSE_2(__is_trivially_assignable, __strong id&, __autoreleasing id);
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TRAIT_IS_FALSE_2(__is_trivially_assignable, __strong id&, __unsafe_unretained id);
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TRAIT_IS_FALSE_2(__is_trivially_assignable, __strong id&, __strong id&&);
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TRAIT_IS_FALSE_2(__is_trivially_assignable, __strong id&, __weak id&&);
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TRAIT_IS_FALSE_2(__is_trivially_assignable, __strong id&, __autoreleasing id&&);
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TRAIT_IS_FALSE_2(__is_trivially_assignable, __strong id&, __unsafe_unretained id&&);
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TRAIT_IS_FALSE_2(__is_trivially_assignable, __weak id&, __strong id);
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TRAIT_IS_FALSE_2(__is_trivially_assignable, __weak id&, __weak id);
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TRAIT_IS_FALSE_2(__is_trivially_assignable, __weak id&, __autoreleasing id);
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TRAIT_IS_FALSE_2(__is_trivially_assignable, __weak id&, __unsafe_unretained id);
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TRAIT_IS_FALSE_2(__is_trivially_assignable, __weak id&, __strong id&&);
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TRAIT_IS_FALSE_2(__is_trivially_assignable, __weak id&, __weak id&&);
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TRAIT_IS_FALSE_2(__is_trivially_assignable, __weak id&, __autoreleasing id&&);
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TRAIT_IS_FALSE_2(__is_trivially_assignable, __weak id&, __unsafe_unretained id&&);
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TRAIT_IS_FALSE_2(__is_trivially_assignable, __autoreleasing id&, __strong id);
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TRAIT_IS_FALSE_2(__is_trivially_assignable, __autoreleasing id&, __weak id);
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TRAIT_IS_FALSE_2(__is_trivially_assignable, __autoreleasing id&, __autoreleasing id);
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TRAIT_IS_FALSE_2(__is_trivially_assignable, __autoreleasing id&, __unsafe_unretained id);
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TRAIT_IS_FALSE_2(__is_trivially_assignable, __autoreleasing id&, __strong id&&);
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TRAIT_IS_FALSE_2(__is_trivially_assignable, __autoreleasing id&, __weak id&&);
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TRAIT_IS_FALSE_2(__is_trivially_assignable, __autoreleasing id&, __autoreleasing id&&);
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TRAIT_IS_FALSE_2(__is_trivially_assignable, __autoreleasing id&, __unsafe_unretained id&&);
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TRAIT_IS_TRUE_2(__is_trivially_assignable, __unsafe_unretained id&, __strong id);
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TRAIT_IS_TRUE_2(__is_trivially_assignable, __unsafe_unretained id&, __weak id);
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TRAIT_IS_TRUE_2(__is_trivially_assignable, __unsafe_unretained id&, __autoreleasing id);
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TRAIT_IS_TRUE_2(__is_trivially_assignable, __unsafe_unretained id&, __unsafe_unretained id);
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TRAIT_IS_TRUE_2(__is_trivially_assignable, __unsafe_unretained id&, __strong id&&);
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TRAIT_IS_TRUE_2(__is_trivially_assignable, __unsafe_unretained id&, __weak id&&);
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TRAIT_IS_TRUE_2(__is_trivially_assignable, __unsafe_unretained id&, __autoreleasing id&&);
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TRAIT_IS_TRUE_2(__is_trivially_assignable, __unsafe_unretained id&, __unsafe_unretained id&&);
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TRAIT_IS_FALSE_2(__is_trivially_assignable, HasStrong&, HasStrong);
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TRAIT_IS_FALSE_2(__is_trivially_assignable, HasStrong&, HasStrong&&);
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TRAIT_IS_FALSE_2(__is_trivially_assignable, HasWeak&, HasWeak);
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TRAIT_IS_FALSE_2(__is_trivially_assignable, HasWeak&, HasWeak&&);
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TRAIT_IS_TRUE_2(__is_trivially_assignable, HasUnsafeUnretained&, HasUnsafeUnretained);
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TRAIT_IS_TRUE_2(__is_trivially_assignable, HasUnsafeUnretained&, HasUnsafeUnretained&&);
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// __is_trivally_constructible
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TRAIT_IS_FALSE(__is_trivially_constructible, __strong id);
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TRAIT_IS_FALSE(__is_trivially_constructible, __weak id);
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TRAIT_IS_FALSE(__is_trivially_constructible, __autoreleasing id);
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TRAIT_IS_TRUE(__is_trivially_constructible, __unsafe_unretained id);
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TRAIT_IS_FALSE_2(__is_trivially_constructible, __strong id, __strong id);
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TRAIT_IS_FALSE_2(__is_trivially_constructible, __strong id, __weak id);
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TRAIT_IS_FALSE_2(__is_trivially_constructible, __strong id, __autoreleasing id);
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TRAIT_IS_FALSE_2(__is_trivially_constructible, __strong id, __unsafe_unretained id);
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TRAIT_IS_FALSE_2(__is_trivially_constructible, __strong id, __strong id&&);
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TRAIT_IS_FALSE_2(__is_trivially_constructible, __strong id, __weak id&&);
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TRAIT_IS_FALSE_2(__is_trivially_constructible, __strong id, __autoreleasing id&&);
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TRAIT_IS_FALSE_2(__is_trivially_constructible, __strong id, __unsafe_unretained id&&);
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TRAIT_IS_FALSE_2(__is_trivially_constructible, __weak id, __strong id);
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TRAIT_IS_FALSE_2(__is_trivially_constructible, __weak id, __weak id);
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TRAIT_IS_FALSE_2(__is_trivially_constructible, __weak id, __autoreleasing id);
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TRAIT_IS_FALSE_2(__is_trivially_constructible, __weak id, __unsafe_unretained id);
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TRAIT_IS_FALSE_2(__is_trivially_constructible, __weak id, __strong id&&);
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TRAIT_IS_FALSE_2(__is_trivially_constructible, __weak id, __weak id&&);
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TRAIT_IS_FALSE_2(__is_trivially_constructible, __weak id, __autoreleasing id&&);
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TRAIT_IS_FALSE_2(__is_trivially_constructible, __weak id, __unsafe_unretained id&&);
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TRAIT_IS_FALSE_2(__is_trivially_constructible, __autoreleasing id, __strong id);
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TRAIT_IS_FALSE_2(__is_trivially_constructible, __autoreleasing id, __weak id);
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TRAIT_IS_FALSE_2(__is_trivially_constructible, __autoreleasing id, __autoreleasing id);
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TRAIT_IS_FALSE_2(__is_trivially_constructible, __autoreleasing id, __unsafe_unretained id);
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TRAIT_IS_FALSE_2(__is_trivially_constructible, __autoreleasing id, __strong id&&);
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TRAIT_IS_FALSE_2(__is_trivially_constructible, __autoreleasing id, __weak id&&);
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TRAIT_IS_FALSE_2(__is_trivially_constructible, __autoreleasing id, __autoreleasing id&&);
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TRAIT_IS_FALSE_2(__is_trivially_constructible, __autoreleasing id, __unsafe_unretained id&&);
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TRAIT_IS_TRUE_2(__is_trivially_constructible, __unsafe_unretained id, __strong id);
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TRAIT_IS_TRUE_2(__is_trivially_constructible, __unsafe_unretained id, __weak id);
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TRAIT_IS_TRUE_2(__is_trivially_constructible, __unsafe_unretained id, __autoreleasing id);
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TRAIT_IS_TRUE_2(__is_trivially_constructible, __unsafe_unretained id, __unsafe_unretained id);
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TRAIT_IS_TRUE_2(__is_trivially_constructible, __unsafe_unretained id, __strong id&&);
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TRAIT_IS_TRUE_2(__is_trivially_constructible, __unsafe_unretained id, __weak id&&);
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TRAIT_IS_TRUE_2(__is_trivially_constructible, __unsafe_unretained id, __autoreleasing id&&);
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TRAIT_IS_TRUE_2(__is_trivially_constructible, __unsafe_unretained id, __unsafe_unretained id&&);
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TRAIT_IS_FALSE_2(__is_trivially_constructible, HasStrong, HasStrong);
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TRAIT_IS_FALSE_2(__is_trivially_constructible, HasStrong, HasStrong&&);
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TRAIT_IS_FALSE_2(__is_trivially_constructible, HasWeak, HasWeak);
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TRAIT_IS_FALSE_2(__is_trivially_constructible, HasWeak, HasWeak&&);
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TRAIT_IS_TRUE_2(__is_trivially_constructible, HasUnsafeUnretained, HasUnsafeUnretained);
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TRAIT_IS_TRUE_2(__is_trivially_constructible, HasUnsafeUnretained, HasUnsafeUnretained&&);
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