ckandeler added inline comments.

================
Comment at: clang-tools-extra/clangd/SemanticHighlighting.cpp:863
+              Tok.addModifier(HighlightingModifier::Declaration);
+            if (const auto Func = dyn_cast<FunctionDecl>(Decl)) {
+              if (Func->isThisDeclarationADefinition())
----------------
dgoldman wrote:
> Instead of doing it like this, I wonder if would make more sense to call 
> getDefinition from 
> https://cs.github.com/llvm/llvm-project/blob/ae071a59bc6cc09e0e0043e0ef1d9725853f1681/clang-tools-extra/clangd/XRefs.cpp#L76
>  and if it matches Decl, add the Definition modifier?
Won't that incur an additional look-up or some other type of work? I'm not 
deeply familiar with the implementation, but a cursory glance seems to suggests 
that isThisDeclarationADefinition() is just an accessor, while getDefinition() 
"does things".


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D127403/new/

https://reviews.llvm.org/D127403

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