Supported usages as doc-comments

idea/idea-analysis/src/org/jetbrains/kotlin/idea/search/usagesSearch/destructuringDeclarationUsages.kt

@@ -42,6 +42,7 @@ import org.jetbrains.kotlin.idea.search.unionSafe
 import org.jetbrains.kotlin.idea.util.FuzzyType
 import org.jetbrains.kotlin.idea.util.fuzzyExtensionReceiverType
 import org.jetbrains.kotlin.idea.util.toFuzzyType
+import org.jetbrains.kotlin.kdoc.psi.impl.KDocName
 import org.jetbrains.kotlin.psi.*
 import org.jetbrains.kotlin.psi.psiUtil.*
 import org.jetbrains.kotlin.resolve.dataClassUtils.getComponentIndex
@@ -179,7 +180,6 @@ private class Processor(
 
     private fun processKotlinDataClassUsage(element: PsiElement): Boolean {
         //TODO: type aliases
-        //TODO: doc-comments
 
         when (element) {
             is KtReferenceExpression -> {
@@ -242,6 +242,8 @@ private class Processor(
 
                 if (element.getStrictParentOfType<KtImportDirective>() != null) return true // ignore usage in import
             }
+
+            is KDocName -> return true // ignore usage in doc-comment
         }
 
         return false // unsupported type of reference

idea/testData/findUsages/kotlin/conventions/components/dataClass.0.kt

@@ -8,6 +8,10 @@ fun A.ext1() {
     val (x, y) = getThis()
 }
 
+/**
+ * Doc-comment reference 1: [A]
+ * Doc-comment reference 2: [ext1]
+ */
 fun List<A>.ext1() {
     val (x, y) = get(0)
 }

idea/testData/findUsages/kotlin/conventions/components/dataClass.results.txt

@@ -1,4 +1,4 @@
-[dataClass.0.kt] Value read 12 val (x, y) = get(0)
+[dataClass.0.kt] Value read 16 val (x, y) = get(0)
 [dataClass.0.kt] Value read 8 val (x, y) = getThis()
 [dataClass.1.kt] Value read 4 for ((x, y, z) in arrayOf<A>()) {
 [dataClass.1.kt] Value read 8 val (x, y) = a