================
@@ -3149,9 +3156,15 @@ struct ExpandPackedTypeConstraints
assert(SemaRef.ArgumentPackSubstitutionIndex != -1);
+ TemplateArgument Arg = TemplateArgs(T->getDepth(), T->getIndex());
+
+ std::optional<unsigned> PackIndex;
+ if (Arg.getKind() == TemplateArgument::Pack)
+ PackIndex = Arg.pack_size() - 1 - SemaRef.ArgumentPackSubstitutionIndex;
----------------
shafik wrote:
Agreed, it seems like a valuable refactor to me.
When I see hand math like that it always raises my spidey senses and I look to
see where else we are doing something like that.
https://github.com/llvm/llvm-project/pull/114220
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