Leaking this: fix for 'this' in enum class #KT-15835 Fixed

idea/testData/inspectionsLocal/leakingThis/enum.kt

@@ -0,0 +1,8 @@
+// PROBLEM: none
+enum class Foo {
+    ONE,
+    TWO;
+    val bar = Bar(<caret>this)
+}
+
+class Bar(val foo: Foo)

idea/testData/inspectionsLocal/leakingThis/enumEntryHasOverriddenMember.kt

@@ -0,0 +1,20 @@
+// PROBLEM: Leaking 'this' in constructor of enum class Foo (with overridable members)
+// FIX: none
+enum class Foo {
+    ONE {
+        override val x = 1
+    },
+    TWO {
+        override val x = 2
+    };
+
+    abstract val x: Int
+    val double = double(<caret>this)
+}
+
+fun double(foo: Foo) = foo.x * foo.x
+
+fun test() {
+    Foo.ONE.double
+    Foo.TWO.double
+}

idea/testData/inspectionsLocal/leakingThis/enumEntryHasOverriddenMember2.kt

@@ -0,0 +1,23 @@
+// PROBLEM: Leaking 'this' in constructor of enum class Foo (with overridable members)
+// FIX: none
+enum class Foo : Bar {
+    ONE {
+        override val x = 1
+    },
+    TWO {
+        override val x = 2
+    };
+
+    val double = double(<caret>this)
+}
+
+interface Bar {
+    val x: Int
+}
+
+fun double(foo: Foo) = foo.x * foo.x
+
+fun test() {
+    Foo.ONE.double
+    Foo.TWO.double
+}