================
@@ -859,8 +861,10 @@ class PackDeductionScope {
// by this pack expansion, then clear out the deduction.
DeducedFromEarlierParameter = !Deduced[Index].isNull();
DeducedPack Pack(Index);
- Pack.Saved = Deduced[Index];
- Deduced[Index] = TemplateArgument();
+ if (!FinishingDeduction) {
+ Pack.Saved = Deduced[Index];
+ Deduced[Index] = TemplateArgument();
+ }
----------------
mizvekov wrote:
Will do.
Yeah that's exactly it. The idea is to reuse the parts of the PackScope which
help iterating a pack, but in a context where we are not producing a deduction,
just checking a previous deduction.
https://github.com/llvm/llvm-project/pull/100692
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