[clang] [Clang] Implement P0963R3 "Structured binding declaration as a condition" (PR #130228)

[via cfe-commits]

================
@@ -3520,21 +3520,24 @@ DecompositionDecl *DecompositionDecl::Create(ASTContext &C, DeclContext *DC,
                                              SourceLocation LSquareLoc,
                                              QualType T, TypeSourceInfo *TInfo,
                                              StorageClass SC,
-                                             ArrayRef<BindingDecl *> Bindings) {
+                                             ArrayRef<BindingDecl *> Bindings,
+                                             bool IsDecisionVariable) {
   size_t Extra = additionalSizeToAlloc<BindingDecl *>(Bindings.size());
-  return new (C, DC, Extra)
-      DecompositionDecl(C, DC, StartLoc, LSquareLoc, T, TInfo, SC, Bindings);
+  return new (C, DC, Extra) DecompositionDecl(
+      C, DC, StartLoc, LSquareLoc, T, TInfo, SC, Bindings, IsDecisionVariable);
 }
 
-DecompositionDecl *DecompositionDecl::CreateDeserialized(ASTContext &C,
-                                                         GlobalDeclID ID,
-                                                         unsigned NumBindings) {
+DecompositionDecl *
+DecompositionDecl::CreateDeserialized(ASTContext &C, GlobalDeclID ID,
+                                      unsigned NumBindings,
+                                      bool IsDecisionVariable) {
   size_t Extra = additionalSizeToAlloc<BindingDecl *>(NumBindings);
-  auto *Result = new (C, ID, Extra)
-      DecompositionDecl(C, nullptr, SourceLocation(), SourceLocation(),
-                        QualType(), nullptr, StorageClass(), {});
+  auto *Result = new (C, ID, Extra) DecompositionDecl(
+      C, nullptr, SourceLocation(), SourceLocation(), QualType(), nullptr,
----------------
cor3ntin wrote:

Can you add comments for the parameters without values here?

https://github.com/llvm/llvm-project/pull/130228