Add more tests from the latest snapshot

backend.native/tests/external/codegen/box/optimizations/kt20844.kt

@@ -0,0 +1,9 @@
+//WITH_RUNTIME
+
+fun foo(x: String, ys: List<String>) =
+        x + ys.fold("", { a, b -> a + b })
+
+var flag = true
+
+fun box(): String =
+        foo("O", if (flag) listOf("k").map { it.toUpperCase() } else listOf())

backend.native/tests/external/codegen/boxInline/optimizations/kt20844.kt

@@ -0,0 +1,27 @@
+// FILE: 1.kt
+//WITH_RUNTIME
+package test
+
+data class Address(
+        val createdTimeMs: Long = 0,
+        val firstName: String = "",
+        val lastName: String = ""
+)
+
+inline fun String.switchIfEmpty(provider: () -> String): String {
+    return if (isEmpty()) provider() else this
+}
+
+// FILE: 2.kt
+
+import test.*
+
+fun box(): String {
+    val address = Address()
+    val result = address.copy(
+            firstName = address.firstName.switchIfEmpty { "O" },
+            lastName = address.lastName.switchIfEmpty { "K" }
+    )
+
+    return result.firstName + result.lastName
+}

gradle.properties

@@ -19,7 +19,7 @@ llvmVersion = 3.9.0
 remoteRoot=konan_tests
 #kotlinCompilerModule=org.jetbrains.kotlin:kotlin-compiler:1.1-SNAPSHOT
 # Download artifacts of https://teamcity.jetbrains.com/viewType.html?buildTypeId=Kotlin_120_Compiler
-testDataVersion=1213932:id
+testDataVersion=1226829:id
 kotlinCompilerRepo=https://dl.bintray.com/jetbrains/kotlin-native-dependencies
 #kotlinCompilerRepo=http://oss.sonatype.org/content/repositories/snapshots
 #kotlinCompilerRepo=http://dl.bintray.com/kotlin/kotlin-dev