================
@@ -5637,6 +5638,27 @@ static bool EvaluateUnaryTypeTrait(Sema &Self, TypeTrait
UTT,
return false;
case UTT_IsTriviallyEqualityComparable:
return isTriviallyEqualityComparableType(Self, T, KeyLoc);
+ case UTT_IsImplicitLifetime: {
+ DiagnoseVLAInCXXTypeTrait(Self, TInfo,
+ tok::kw___builtin_is_implicit_lifetime);
+ QualType UnqualT = T->getCanonicalTypeUnqualified();
+ if (UnqualT->isScalarType())
+ return true;
+ if (UnqualT->isArrayType())
+ return true;
+
+ const CXXRecordDecl *RD = UnqualT->getAsCXXRecordDecl();
+ if (!RD)
+ return false;
+ if (UnqualT->isAggregateType())
+ if (!RD->getDestructor()->isUserProvided())
+ return true;
+ if (RD->hasTrivialDestructor())
----------------
MitalAshok wrote:
@Endilll That's correct for `Z` but `X` and `Y` are not aggregates because they
have user-declared constructors, so they need a non-deleted destructor
https://github.com/llvm/llvm-project/pull/101807
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