[clang] [clang] Implement P2582R1: CTAD from inherited constructors (PR #98788)

[Erich Keane via cfe-commits]

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@@ -942,34 +946,145 @@ getRHSTemplateDeclAndArgs(Sema &SemaRef, TypeAliasTemplateDecl *AliasTemplate) {
   return {Template, AliasRhsTemplateArgs};
 }
 
+struct InheritedConstructorDeductionInfo {
+  // Class template for which we are declaring deduction guides
+  // This is `C` in the standard wording
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erichkeane wrote:

Comments are supposed to end in full-stops, so I think there is a sprinkling of `.` required here/elsewhere here (other than standards quotes).

https://github.com/llvm/llvm-project/pull/98788