[clang] [APINotes] Strip selector volatile and nested nullability from parameter selectors (PR #215266)

[Gábor Horváth via cfe-commits]

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@@ -1001,11 +994,35 @@ UnwindTagContext(TagDecl *DC, api_notes::APINotesManager &APINotes) {
   return std::nullopt;
 }
 
-static void stripAPINotesParameterNullability(QualType &ParamType) {
-  while (true) {
-    if (!AttributedType::stripOuterNullability(ParamType))
-      return;
+static QualType stripAPINotesParameterNullability(QualType ParamType,
+                                                  const ASTContext &Context) {
+  while (AttributedType::stripOuterNullability(ParamType)) {
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Xazax-hun wrote:

Do we need this to be in a loop?

https://github.com/llvm/llvm-project/pull/215266