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

kotlin-native/backend.native/tests/build.gradle

@@ -2955,6 +2955,14 @@ standaloneTest("devirtualization_getter_looking_as_box_function") {
     source = "codegen/devirtualization/getter_looking_as_box_function.kt"
 }
 
+standaloneTest("devirtualization_inline_getter") {
+    disabled = (cacheTesting != null) // Cache is not compatible with -opt.
+    useGoldenData = true
+    flags = ["-opt"]
+    source = "codegen/devirtualization/inline_getter.kt"
+}
+
+
 standaloneTest("devirtualization_anonymousObject") {
     disabled = (cacheTesting != null) // Cache is not compatible with -opt.
     useGoldenData = true

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)