[clang] [clang][Sema] Fix initialization of `NonTypeTemplateParmDecl`... (PR #121768)

[Alejandro Álvarez Ayllón via cfe-commits]

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@@ -786,12 +786,16 @@ NonTypeTemplateParmDecl *NonTypeTemplateParmDecl::Create(
     QualType T, bool ParameterPack, TypeSourceInfo *TInfo) {
   AutoType *AT =
       C.getLangOpts().CPlusPlus20 ? T->getContainedAutoType() : nullptr;
-  return new (C, DC,
-              additionalSizeToAlloc<std::pair<QualType, TypeSourceInfo *>,
-                                    Expr *>(0,
-                                            AT && AT->isConstrained() ? 1 : 0))
-      NonTypeTemplateParmDecl(DC, StartLoc, IdLoc, D, P, Id, T, ParameterPack,
-                              TInfo);
+  bool const HasConstraint = AT && AT->isConstrained();
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alejandro-alvarez-sonarsource wrote:

Thanks! Swapped the order of the cost. Would you mind doing the merge?

https://github.com/llvm/llvm-project/pull/121768