Find Usages: Use isEquivalenTo for PsiCompiledElement only when matching reference targets #KT-7983 Fixed

idea/idea-analysis/src/org/jetbrains/kotlin/idea/references/referenceUtil.kt

@@ -69,8 +69,9 @@ public fun PsiReference.matchesTarget(candidateTarget: PsiElement): Boolean {
     }
 
     val targets = unwrappedTargets
+    if (unwrappedCandidate in targets) return true
     // TODO: Investigate why PsiCompiledElement identity changes
-    if (targets.any { it.isEquivalentTo(unwrappedCandidate) }) return true
+    if (unwrappedCandidate is PsiCompiledElement && targets.any { it.isEquivalentTo(unwrappedCandidate) }) return true
 
     if (this is JetReference) {
         return targets.any {

idea/testData/findUsages/kotlin/findClassUsages/localAndNonLocalClass.0.kt

@@ -0,0 +1,17 @@
+// PSI_ELEMENT: org.jetbrains.kotlin.psi.JetClass
+// OPTIONS: usages, constructorUsages
+class <caret>C {
+    init {
+        println("global")
+    }
+}
+
+fun main(args: Array<String>) {
+    C()
+    class C {
+        init {
+            println("local")
+        }
+    }
+    C()
+}

idea/testData/findUsages/kotlin/findClassUsages/localAndNonLocalClass.results.txt

@@ -0,0 +1 @@
+New instance creation (10: 5) C()

idea/tests/org/jetbrains/kotlin/findUsages/JetFindUsagesTestGenerated.java

@@ -507,6 +507,12 @@ public class JetFindUsagesTestGenerated extends AbstractJetFindUsagesTest {
                 doTest(fileName);
             }
 
+            @TestMetadata("localAndNonLocalClass.0.kt")
+            public void testLocalAndNonLocalClass() throws Exception {
+                String fileName = JetTestUtils.navigationMetadata("idea/testData/findUsages/kotlin/findClassUsages/localAndNonLocalClass.0.kt");
+                doTest(fileName);
+            }
+
             @TestMetadata("primaryConstructorWithDefaultParams.0.kt")
             public void testPrimaryConstructorWithDefaultParams() throws Exception {
                 String fileName = JetTestUtils.navigationMetadata("idea/testData/findUsages/kotlin/findClassUsages/primaryConstructorWithDefaultParams.0.kt");