================
@@ -153,6 +192,51 @@ bool isUniqueDefinition(const NamedDecl *Decl) {
          isa<TemplateTemplateParmDecl>(Decl) || isa<ObjCCategoryDecl>(Decl) ||
          isa<ObjCImplDecl>(Decl);
 }
+
+// Filter symbol tags based on the presence of other tags and the kind of
+// symbol. This is needed to avoid redundant tags, e.g. Overrides implies
+// Virtual and Implements implies Overrides/Virtual.
+SymbolTags filterSymbolTags(SymbolTags ST) {
+  const SymbolTags VirtualMask = toSymbolTagBitmask(SymbolTag::Virtual);
+  const SymbolTags OverridesMask = toSymbolTagBitmask(SymbolTag::Overrides);
+  const SymbolTags ImplementsMask = toSymbolTagBitmask(SymbolTag::Implements);
+  const SymbolTags AbstractMask = toSymbolTagBitmask(SymbolTag::Abstract);
+  const SymbolTags FinalMask = toSymbolTagBitmask(SymbolTag::Final);
+
+  const SymbolTags RemoveVirtualAndOverrides = VirtualMask | OverridesMask;
----------------
ratzdi wrote:

done.

https://github.com/llvm/llvm-project/pull/170103
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