================
@@ -4947,7 +4948,23 @@ void CodeGenFunction::EmitCallArg(CallArgList &args,
const Expr *E,
return;
}
- args.add(EmitAnyExprToTemp(E), type);
+ AggValueSlot ArgSlot = AggValueSlot::ignored();
+ // If the callee returns a reference, skip this stack saving optimization;
----------------
efriedma-quic wrote:
Oh, just went through D74094... I think I understand the context, but those
cases seem to just be use-after-free.
In any case, this initial patch should be conservative enough that it's
unlikely to cause issues.
https://github.com/llvm/llvm-project/pull/170517
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