[clang] [Clang][Sema] Revise the transformation of CTAD parameters of nested class templates (PR #91628)

[Haojian Wu via cfe-commits]

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@@ -84,3 +84,17 @@ nested_init_list<int>::concept_fail nil_invalid{1, ""};
 // expected-note@#INIT_LIST_INNER_INVALID {{candidate template ignored: substitution failure [with F = const char *]: constraints not satisfied for class template 'concept_fail' [with F = const char *]}}
 // expected-note@#INIT_LIST_INNER_INVALID {{candidate function template not viable: requires 1 argument, but 2 were provided}}
 // expected-note@#INIT_LIST_INNER_INVALID {{candidate function template not viable: requires 0 arguments, but 2 were provided}}
+
+namespace PR88142 {
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hokein wrote:

nit: PR => GH

https://github.com/llvm/llvm-project/pull/91628