[K/N] Safer handling of bridges function in dce

kotlin-native/backend.native/tests/codegen/devirtualization/inline_getter.kt

@@ -0,0 +1,13 @@
+interface Base { val id: Int }
+
+inline class Child(override val id: Int = 1) : Base
+
+interface Base2 { val prop: Base }
+class Child2(override val prop: Child) : Base2
+
+fun main() {
+    val x : Base = Child(5)
+    println(x.id)
+    val y : Base2 = Child2(Child(5))
+    println(y.prop)
+}

kotlin-native/backend.native/tests/codegen/devirtualization/inline_getter.out

@@ -0,0 +1,2 @@
+5
+Child(id=5)