Fix for KT-15437: VerifyError: Bad local variable type on simplest provideDelegate

#KT-15437 Fixed

compiler/testData/codegen/box/delegatedProperty/provideDelegate/hostCheck.kt

@@ -0,0 +1,14 @@
+import kotlin.reflect.KProperty
+
+class Delegate(val value: String) {
+    operator fun provideDelegate(instance: A, property: KProperty<*>): Delegate = Delegate(instance.value)
+    operator fun getValue(instance: Any?, property: KProperty<*>) = value
+}
+
+class A(val value: String) {
+    val result: String by Delegate("Fail")
+}
+
+fun box(): String {
+    return A("OK").result
+}

compiler/testData/codegen/box/delegatedProperty/provideDelegate/kt15437.kt

@@ -0,0 +1,12 @@
+import kotlin.reflect.KProperty
+
+class Delegate {
+    operator fun provideDelegate(instance: Any?, property: KProperty<*>): Delegate = this
+    operator fun getValue(instance: Any?, property: KProperty<*>) = "OK"
+}
+
+val result: String by Delegate()
+
+fun box(): String {
+    return result
+}