e7a6171c4c
…macros As per review comments on https://reviews.llvm.org/D150226, we should allow for one more release before turning this warning into a hard error, by making it visible in system headers and macros, so that people are aware of it and can work on it.
20 lines
665 B
C++
20 lines
665 B
C++
// System header for testing that -Wenum-constexpr-conversion leads to an error
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// when included in user code, or when the system macro is used.
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enum SystemEnum
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{
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a = 0,
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b = 1,
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};
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void testValueInRangeOfEnumerationValuesInSystemHeader()
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{
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constexpr SystemEnum x1 = static_cast<SystemEnum>(123);
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// expected-error@-1 {{integer value 123 is outside the valid range of values [0, 1] for the enumeration type 'SystemEnum'}}
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const SystemEnum x2 = static_cast<SystemEnum>(123); // ok, not a constant expression context
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}
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#define CONSTEXPR_CAST_TO_SYSTEM_ENUM_OUTSIDE_OF_RANGE \
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constexpr SystemEnum system_enum = static_cast<SystemEnum>(123)
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