[clang] [clang][Sema] Improve template argument deduction diagnostic (PR #122754)

[Justin Fargnoli via cfe-commits]

================
@@ -11610,9 +11610,10 @@ static void DiagnoseBadDeduction(Sema &S, NamedDecl *Found, Decl *Templated,
                                  bool TakingCandidateAddress) {
   TemplateParameter Param = DeductionFailure.getTemplateParameter();
   NamedDecl *ParamD;
-  (ParamD = Param.dyn_cast<TemplateTypeParmDecl*>()) ||
-  (ParamD = Param.dyn_cast<NonTypeTemplateParmDecl*>()) ||
-  (ParamD = Param.dyn_cast<TemplateTemplateParmDecl*>());
+  (ParamD = Param.dyn_cast<TemplateTypeParmDecl *>()) ||
+      (ParamD = Param.dyn_cast<NonTypeTemplateParmDecl *>()) ||
+      (ParamD = Param.dyn_cast<TemplateTemplateParmDecl *>());
+
----------------
justinfargnoli wrote:

```suggestion
  (ParamD = Param.dyn_cast<TemplateTypeParmDecl*>()) ||
  (ParamD = Param.dyn_cast<NonTypeTemplateParmDecl*>()) ||
  (ParamD = Param.dyn_cast<TemplateTemplateParmDecl*>());
```

https://github.com/llvm/llvm-project/pull/122754