================
@@ -6375,12 +6383,16 @@ ExprResult Sema::BuildCXXDefaultInitExpr(SourceLocation
Loc, FieldDecl *Field) {
ImmediateCallVisitor V(getASTContext());
if (!NestedDefaultChecking)
V.TraverseDecl(Field);
- if (V.HasImmediateCalls) {
+ if (V.HasImmediateCalls || InLifetimeExtendingContext) {
ExprEvalContexts.back().DelayedDefaultInitializationContext = {Loc, Field,
CurContext};
ExprEvalContexts.back().IsCurrentlyCheckingDefaultArgumentOrInitializer =
NestedDefaultChecking;
+ // Pass down lifetime extending flag, and collect temporaries in
+ // CreateMaterializeTemporaryExpr when we rewrite the call argument.
+ keepInLifetimeExtendingContext();
+ keepInMaterializeTemporaryObjectContext();
----------------
cor3ntin wrote:
I think you are right.
I'm sorry, that whole thing is a bit confusing to me.
But the initializer is used in the construction of a subobject, which is
different from a default argument which is initialized on call site... so I
think the conclusion is that we should do nothing for default inits, I think
https://github.com/llvm/llvm-project/pull/76361
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