================
@@ -1383,6 +1383,34 @@ void CXXRecordDecl::addedMember(Decl *D) {
}
}
+bool CXXRecordDecl::isLiteral() const {
+ const LangOptions &LangOpts = getLangOpts();
+ if (!(LangOpts.CPlusPlus20 ? hasConstexprDestructor()
+ : hasTrivialDestructor()))
+ return false;
+
+ if (isLambda() && !LangOpts.CPlusPlus17)
+ return false;
+
+ if (hasNonLiteralTypeFieldsOrBases()) {
+ // CWG2598
+ // is an aggregate union type that has either no variant
+ // members or at least one variant member of non-volatile literal type,
+ if (!isUnion())
+ return false;
+ bool HasAtLeastOneTrivialMember =
+ fields().empty() || any_of(fields(), [this](const FieldDecl *D) {
+ return !D->getType().isVolatileQualified() &&
+ D->getType().isTrivialType(getASTContext());
----------------
MitalAshok wrote:
What about literal non-trivial types (e.g. `struct Literal { constexpr
Literal() {} }; union union6 { NonLiteral NL; Literal L; };`?
`.isLiteralType` should work here
https://github.com/llvm/llvm-project/pull/78195
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