================
@@ -5337,6 +5317,11 @@ class InitListTransformer {
if (auto *RD = Ty->getAsCXXRecordDecl()) {
llvm::SmallVector<CXXRecordDecl *> RecordDecls;
RecordDecls.push_back(RD);
+ // If this is a prvalue create an xvalue so the member accesses
+ // will be xvalues.
+ if (E->isPRValue())
+ E = new (Ctx)
+ MaterializeTemporaryExpr(Ty, E, /*BoundToLvalueReference=*/false);
----------------
llvm-beanz wrote:
I noted in conversation with @spall that this does produce a bunch of extra
temporaries that the optimizer needs to clean up. I think it's fine because it
is _correct_, and it preserves our AST representation as valid C++
initializers. If this causes performance issues we can address it then.
https://github.com/llvm/llvm-project/pull/186233
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