[clang] [clang] Support DecompositionDecl in -ast-print (PR #221711)

[Aaron Ballman via cfe-commits]

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@@ -461,6 +465,11 @@ void DeclPrinter::VisitDeclContext(DeclContext *DC, bool Indent) {
     if (isa<ObjCIvarDecl>(*D))
       continue;
 
+    // Don't print BindingDecls, as they are printed when visiting the
+    // containing DecompositionDecl.
+    if (isa<BindingDecl>(*D))
+      continue;
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AaronBallman wrote:

Can combine this above into `isa<ObjCIVarDecl, BindingDecl>(*D)` and combine the comments.

https://github.com/llvm/llvm-project/pull/221711