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20 lines
824 B
20 lines
824 B
// RUN: %clang_cc1 -verify %s
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// expected-no-diagnostics
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// A prvalue for an integral bit-field can be converted to a prvalue of type
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// int if int can represent all the values of the bit-field
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struct X { long long e : 1; };
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static_assert(sizeof(+X().e) == sizeof(int), "");
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static_assert(sizeof(X().e + 1) == sizeof(int), "");
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static_assert(sizeof(true ? X().e : 0) == sizeof(int), "");
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enum E : long long { a = __LONG_LONG_MAX__ };
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static_assert(sizeof(E{}) == sizeof(long long), "");
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// If the bit-field has an enumerated type, it is treated as any other value of
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// that [enumerated] type for promotion purposes.
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struct Y { E e : 1; };
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static_assert(sizeof(+Y().e) == sizeof(long long), "");
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static_assert(sizeof(Y().e + 1) == sizeof(long long), "");
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static_assert(sizeof(true ? Y().e : 0) == sizeof(long long), "");
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