Completion for codeFragments: no duplicates for synthetic properties

idea/idea-completion/testData/basic/codeFragments/noDuplicatesForSyntheticProperties.kt

@@ -0,0 +1,13 @@
+import java.io.File
+
+fun main(args: Array<String>) {
+    val f: File = MyFile()
+    <caret>f.absoluteFile
+}
+
+class MyFile: File("")
+
+// EXIST: absoluteFile, getAbsoluteFile
+// NOTHING_ELSE
+
+// RUNTIME_TYPE: MyFile

idea/idea-completion/testData/basic/codeFragments/noDuplicatesForSyntheticProperties.kt.fragment

@@ -0,0 +1 @@
+f.absoluteF<caret>

idea/idea-core/src/org/jetbrains/kotlin/idea/core/descriptorUtils.kt

@@ -28,6 +28,7 @@ import org.jetbrains.kotlin.resolve.BindingContext
 import org.jetbrains.kotlin.resolve.OverridingUtil
 import org.jetbrains.kotlin.resolve.scopes.receivers.ExpressionReceiver
 import org.jetbrains.kotlin.resolve.scopes.receivers.ReceiverValue
+import org.jetbrains.kotlin.synthetic.SyntheticJavaPropertyDescriptor
 import org.jetbrains.kotlin.types.expressions.ExpressionTypingUtils
 
 fun DeclarationDescriptorWithVisibility.isVisible(
@@ -77,6 +78,10 @@ private fun compareDescriptorsText(project: Project, d1: DeclarationDescriptor?,
 public fun compareDescriptors(project: Project, currentDescriptor: DeclarationDescriptor?, originalDescriptor: DeclarationDescriptor?): Boolean {
     if (currentDescriptor?.name != originalDescriptor?.name) return false
 
+    if (originalDescriptor is SyntheticJavaPropertyDescriptor && currentDescriptor is SyntheticJavaPropertyDescriptor) {
+        return compareDescriptors(project, currentDescriptor.getMethod, originalDescriptor.getMethod)
+    }
+
     if (compareDescriptorsText(project, currentDescriptor, originalDescriptor)) return true
 
     if (originalDescriptor is CallableDescriptor && currentDescriptor is CallableDescriptor) {

idea/tests/org/jetbrains/kotlin/idea/debugger/evaluate/CodeFragmentCompletionTestGenerated.java

@@ -77,6 +77,12 @@ public class CodeFragmentCompletionTestGenerated extends AbstractCodeFragmentCom
         doTest(fileName);
     }
 
+    @TestMetadata("noDuplicatesForSyntheticProperties.kt")
+    public void testNoDuplicatesForSyntheticProperties() throws Exception {
+        String fileName = JetTestUtils.navigationMetadata("idea/idea-completion/testData/basic/codeFragments/noDuplicatesForSyntheticProperties.kt");
+        doTest(fileName);
+    }
+
     @TestMetadata("topLevel.kt")
     public void testTopLevel() throws Exception {
         String fileName = JetTestUtils.navigationMetadata("idea/idea-completion/testData/basic/codeFragments/topLevel.kt");