[lc] decompiled: support stub search for properties

^KT-53934

analysis/decompiled/light-classes-for-decompiled-fe10/src/org/jetbrains/kotlin/analysis/decompiled/light/classes/fe10/KotlinDeclarationInCompiledFileSearcherFE10Impl.kt

@@ -12,7 +12,9 @@ import org.jetbrains.kotlin.analysis.decompiler.psi.file.KtClsFile
 import org.jetbrains.kotlin.analysis.decompiler.psi.text.BySignatureIndexer
 import org.jetbrains.kotlin.analysis.decompiler.psi.text.ClassNameAndSignature
 import org.jetbrains.kotlin.analysis.decompiler.psi.text.relativeClassName
+import org.jetbrains.kotlin.asJava.syntheticAccessors
 import org.jetbrains.kotlin.load.kotlin.MemberSignature
+import org.jetbrains.kotlin.name.Name
 import org.jetbrains.kotlin.psi.KtClassOrObject
 import org.jetbrains.kotlin.psi.KtDeclaration
 import org.jetbrains.kotlin.psi.allConstructors
@@ -24,28 +26,37 @@ class KotlinDeclarationInCompiledFileSearcherFE10Impl : KotlinDeclarationInCompi
 
         val memberName = member.name
         if (memberName != null && !file.isContentsLoaded && file.hasDeclarationWithKey(BySignatureIndexer, key)) {
-            val topClassOrObject = file.declarations.singleOrNull() as? KtClassOrObject
+            findByStub(file, relativeClassName, member, memberName)?.let { return it }
-            val container: KtClassOrObject? = if (relativeClassName.isEmpty())
-                topClassOrObject
-            else {
-                relativeClassName.fold(topClassOrObject) { classOrObject, name ->
-                    classOrObject?.declarations?.singleOrNull { it.name == name.asString() } as? KtClassOrObject
-                }
-            }
-
-            val declaration = if (member is PsiMethod && member.isConstructor) {
-                container?.takeIf { it.name == memberName }?.allConstructors?.singleOrNull()
-            } else {
-                container?.declarations?.singleOrNull {
-                    it.name == memberName
-                }
-            }
-
-            if (declaration != null) {
-                return declaration
-            }
         }
 
         return file.getDeclaration(BySignatureIndexer, key)
     }
-}
+}
+
+private fun findByStub(
+    file: KtClsFile,
+    relativeClassName: List<Name>,
+    member: PsiMember,
+    memberName: String,
+): KtDeclaration? {
+    val topClassOrObject = file.declarations.singleOrNull() as? KtClassOrObject
+    val container: KtClassOrObject = if (relativeClassName.isEmpty())
+        topClassOrObject
+    else {
+        relativeClassName.fold(topClassOrObject) { classOrObject, name ->
+            classOrObject?.declarations?.singleOrNull { it.name == name.asString() } as? KtClassOrObject
+        }
+    } ?: return null
+
+    return if (member is PsiMethod && member.isConstructor) {
+        container.takeIf { it.name == memberName }?.allConstructors?.singleOrNull()
+    } else {
+        val declarations = container.declarations
+        val names: Collection<String> = if (member is PsiMethod)
+            member.syntheticAccessors.map(Name::asString) + memberName
+        else
+            listOf(memberName)
+
+        declarations.singleOrNull { declaration -> declaration.name in names }
+    }
+}