================
@@ -2367,11 +2369,38 @@ size_t DWARFASTParserClang::ParseChildEnumerators(
}
if (name && name[0] && got_value) {
- m_ast.AddEnumerationValueToEnumerationType(
+ auto ECD = m_ast.AddEnumerationValueToEnumerationType(
clang_type, decl, name, enum_value, enumerator_byte_size * 8);
++enumerators_added;
+
+ llvm::APSInt InitVal = ECD->getInitVal();
+ // Keep track of the size of positive and negative values.
+ if (InitVal.isUnsigned() || InitVal.isNonNegative()) {
+ // If the enumerator is zero that should still be counted as a positive
+ // bit since we need a bit to store the value zero.
+ unsigned ActiveBits = InitVal.getActiveBits();
+ NumPositiveBits = std::max({NumPositiveBits, ActiveBits, 1u});
----------------
kuilpd wrote:
The condition checks that the value is just non negative unsigned, so I think
the comment means that it could be zero, in which case the max function would
prefer `1u` over it.
https://github.com/llvm/llvm-project/pull/115005
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