Fixed bug in SuspendFunctionsLowering + test

Supported callable references to non-local suspend functions.

backend.native/tests/build.gradle

@@ -1324,6 +1324,11 @@ task coroutines_coroutineContext2(type: RunKonanTest) {
     source = "codegen/coroutines/coroutineContext2.kt"
 }
 
+task coroutines_anonymousObject(type: RunKonanTest) {
+    goldValue = "zzz\n"
+    source = "codegen/coroutines/anonymousObject.kt"
+}
+
 task AbstractMutableCollection(type: RunKonanTest) {
     expectedExitStatus = 0
     source = "runtime/collections/AbstractMutableCollection.kt"

backend.native/tests/codegen/coroutines/anonymousObject.kt

@@ -0,0 +1,46 @@
+package codegen.coroutines.anonymousObject
+
+import kotlin.test.*
+
+import kotlin.coroutines.experimental.*
+import kotlin.coroutines.experimental.intrinsics.*
+
+open class EmptyContinuation(override val context: CoroutineContext = EmptyCoroutineContext) : Continuation<Any?> {
+    companion object : EmptyContinuation()
+    override fun resume(value: Any?) {}
+    override fun resumeWithException(exception: Throwable) { throw exception }
+}
+
+suspend fun suspendHere(): Int = suspendCoroutineOrReturn { x ->
+    x.resume(42)
+    COROUTINE_SUSPENDED
+}
+
+fun builder(c: suspend () -> Unit) {
+    c.startCoroutine(EmptyContinuation)
+}
+
+interface I {
+    suspend fun foo(lambda: suspend (String) -> Unit)
+    suspend fun bar(s: String)
+}
+
+fun create() = object: I {
+    var lambda: suspend (String) -> Unit = {}
+
+    override suspend fun foo(lambda: suspend (String) -> Unit) {
+        this.lambda = lambda
+    }
+
+    override suspend fun bar(s: String) {
+        lambda(s)
+    }
+}
+
+@Test fun runTest() {
+    builder {
+        val z = create()
+        z.foo { suspendHere(); println(it) }
+        z.bar("zzz")
+    }
+}