[clang-tools-extra] [clangd] Support go-to-definition on type hints. The core part (PR #86629)

[Nathan Ridge via cfe-commits]

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@@ -73,6 +86,34 @@ MATCHER_P2(HintMatcher, Expected, Code, llvm::to_string(Expected)) {
   return true;
 }
 
+MATCHER_P2(HintLabelPieceMatcher, Expected, Code, llvm::to_string(Expected)) {
+  llvm::StringRef ExpectedView(Expected.Label);
+  std::string ResultLabel = arg.value;
+  if (ResultLabel != ExpectedView) {
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HighCommander4 wrote:

nit: this is the only use of `ExpectedView`, just inline it as `Expected.Label`

https://github.com/llvm/llvm-project/pull/86629