Supported lateinit locals + tests

backend.native/tests/build.gradle

@@ -1036,6 +1036,28 @@ task lateinit_inBaseClass(type: RunKonanTest) {
     source = "codegen/lateinit/inBaseClass.kt"
 }
 
+task lateinit_localInitialized(type: RunKonanTest) {
+    goldValue = "zzz\n"
+    source = "codegen/lateinit/localInitialized.kt"
+}
+
+task lateinit_localNotInitialized(type: RunKonanTest) {
+    expectedFail = (project.testTarget == 'wasm32') // Uses exceptions.
+    goldValue = "OK\n"
+    source = "codegen/lateinit/localNotInitialized.kt"
+}
+
+task lateinit_localCapturedInitialized(type: RunKonanTest) {
+    goldValue = "zzz\n"
+    source = "codegen/lateinit/localCapturedInitialized.kt"
+}
+
+task lateinit_localCapturedNotInitialized(type: RunKonanTest) {
+    expectedFail = (project.testTarget == 'wasm32') // Uses exceptions.
+    goldValue = "OK\n"
+    source = "codegen/lateinit/localCapturedNotInitialized.kt"
+}
+
 task kclass0(type: RunKonanTest) {
     source = "codegen/kclass/kclass0.kt"
 }

backend.native/tests/codegen/lateinit/localCapturedInitialized.kt

@@ -0,0 +1,12 @@
+package codegen.lateinit.localCapturedInitialized
+
+import kotlin.test.*
+
+@Test fun runTest() {
+    lateinit var s: String
+
+    fun foo() = s
+
+    s = "zzz"
+    println(foo())
+}

backend.native/tests/codegen/lateinit/localCapturedNotInitialized.kt

@@ -0,0 +1,18 @@
+package codegen.lateinit.localCapturedNotInitialized
+
+import kotlin.test.*
+
+@Test fun runTest() {
+    lateinit var s: String
+
+    fun foo() = s
+
+    try {
+        println(foo())
+    }
+    catch (e: RuntimeException) {
+        println("OK")
+        return
+    }
+    println("Fail")
+}

backend.native/tests/codegen/lateinit/localInitialized.kt

@@ -0,0 +1,9 @@
+package codegen.lateinit.localInitialized
+
+import kotlin.test.*
+
+@Test fun runTest() {
+    lateinit var s: String
+    s = "zzz"
+    println(s)
+}

backend.native/tests/codegen/lateinit/localNotInitialized.kt

@@ -0,0 +1,16 @@
+package codegen.lateinit.localNotInitialized
+
+import kotlin.test.*
+
+@Test fun runTest() {
+    lateinit var s: String
+
+    try {
+        println(s)
+    }
+    catch (e: RuntimeException) {
+        println("OK")
+        return
+    }
+    println("Fail")
+}