| 1 | // RUN: %clang_cc1 -fsyntax-only -pedantic -std=c++11 -verify -triple x86_64-apple-darwin %s |
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| 2 | |
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| 3 | enum E {}; |
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| 4 | |
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| 5 | struct Z {}; |
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| 6 | typedef int Integer; |
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| 7 | |
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| 8 | struct X { |
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| 9 | enum E : 1; |
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| 10 | enum E : Z; // expected-error{{invalid underlying type}} |
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| 11 | enum E2 : int; |
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| 12 | enum E3 : Integer; |
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| 13 | }; |
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| 14 | |
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| 15 | struct Y { |
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| 16 | enum E : int(2); |
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| 17 | enum E : Z(); // expected-error{{integral constant expression must have integral or unscoped enumeration type, not 'Z'}} |
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| 18 | }; |
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| 19 | |
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| 20 | namespace pr18587 { |
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| 21 | struct A { |
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| 22 | enum class B { |
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| 23 | C |
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| 24 | }; |
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| 25 | }; |
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| 26 | const int C = 4; |
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| 27 | struct D { |
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| 28 | A::B : C; |
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| 29 | }; |
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| 30 | } |
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| 31 | |
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| 32 | enum WithUnderlying : unsigned { wu_value }; |
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| 33 | struct WithUnderlyingBitfield { |
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| 34 | WithUnderlying wu : 3; |
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| 35 | } wu = { wu_value }; |
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| 36 | int want_unsigned(unsigned); |
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| 37 | int want_unsigned(int) = delete; |
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| 38 | int check_enum_bitfield_promotes_correctly = want_unsigned(wu.wu); |
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| 39 | |
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