| 1 | // RUN: %clang_cc1 -verify %s |
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| 2 | // expected-no-diagnostics |
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| 3 | |
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| 4 | // A prvalue for an integral bit-field can be converted to a prvalue of type |
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| 5 | // int if int can represent all the values of the bit-field |
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| 6 | struct X { long long e : 1; }; |
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| 7 | static_assert(sizeof(+X().e) == sizeof(int), ""); |
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| 8 | static_assert(sizeof(X().e + 1) == sizeof(int), ""); |
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| 9 | static_assert(sizeof(true ? X().e : 0) == sizeof(int), ""); |
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| 10 | |
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| 11 | enum E : long long { a = __LONG_LONG_MAX__ }; |
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| 12 | static_assert(sizeof(E{}) == sizeof(long long), ""); |
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| 13 | |
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| 14 | // If the bit-field has an enumerated type, it is treated as any other value of |
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| 15 | // that [enumerated] type for promotion purposes. |
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| 16 | struct Y { E e : 1; }; |
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| 17 | static_assert(sizeof(+Y().e) == sizeof(long long), ""); |
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| 18 | static_assert(sizeof(Y().e + 1) == sizeof(long long), ""); |
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| 19 | static_assert(sizeof(true ? Y().e : 0) == sizeof(long long), ""); |
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| 20 | |
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