[kotlin] KTIJ-37293 do not convert properties with two getters

GitOrigin-RevId: c44175bdf7fd97d55f19ada5486063957dd5cac2

plugins/kotlin/code-insight/inspections-k2/src/org/jetbrains/kotlin/idea/k2/codeinsight/inspections/ConvertToExplicitBackingFieldsInspection.kt

@@ -115,9 +115,6 @@ internal class ConvertToExplicitBackingFieldsInspection :
 
     override fun KaSession.prepareContext(element: KtProperty): Context? {
         val returnedProperty = getReturnedPropertyFromGetter(element.getter) ?: return null
-        if (!returnedProperty.isPrivate()) return null
-        if (returnedProperty.isVar) return null
-        if (returnedProperty.hasDelegate()) return null
 
         val allProperties = (element.parent as? KtElement)
             ?.childrenOfType<KtProperty>()
@@ -147,7 +144,12 @@ internal class ConvertToExplicitBackingFieldsInspection :
 
             else -> null
         }
-        return returnedExpr?.let { resolveToProperty(it) }
+        val returnedProperty = returnedExpr?.let { resolveToProperty(it) } ?: return null
+        if (!returnedProperty.isPrivate()) return null
+        if (returnedProperty.isVar) return null
+        if (returnedProperty.hasDelegate()) return null
+        if (returnedProperty.getter != null) return null
+        return returnedProperty
     }
 
     context(_: KaSession)

plugins/kotlin/code-insight/inspections-k2/tests/test/org/jetbrains/kotlin/idea/k2/inspections/tests/K2LocalInspectionTestGenerated.java

@@ -13470,6 +13470,11 @@ public abstract class K2LocalInspectionTestGenerated extends AbstractK2LocalInsp
                 runTest("testData/inspectionsLocal/convertToExplicitBackingFields/simpleWithInheritance.kt");
             }
 
+            @TestMetadata("twoGetters.kt")
+            public void testTwoGetters() throws Exception {
+                runTest("testData/inspectionsLocal/convertToExplicitBackingFields/twoGetters.kt");
+            }
+
             @TestMetadata("withCustomFunctions.kt")
             public void testWithCustomFunctions() throws Exception {
                 runTest("testData/inspectionsLocal/convertToExplicitBackingFields/withCustomFunctions.kt");

plugins/kotlin/code-insight/inspections-k2/tests/testData/inspectionsLocal/convertToExplicitBackingFields/twoGetters.kt

@@ -0,0 +1,6 @@
+// COMPILER_ARGUMENTS: -Xexplicit-backing-fields
+// PROBLEM: none
+class Foo {
+    private val _x get() = mutableListOf<Int>()
+    val x: List<Int> get() = _x<caret>
+}