[clang] [Clang] Implement CWG 2628 "Implicit deduction guides should propagate constraints" (PR #111143)

[via cfe-commits]

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@@ -445,10 +449,46 @@ struct ConvertConstructorToDeductionGuideTransform {
       return nullptr;
     TypeSourceInfo *NewTInfo = TLB.getTypeSourceInfo(SemaRef.Context, NewType);
 
+    // At this point, the function parameters are already 'instantiated' in the
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cor3ntin wrote:

Why is 'instantiated' in quotes?

https://github.com/llvm/llvm-project/pull/111143