Remove redundant locals

Do not transform already transformed suspend lambdas
Ignore duplicates of continuation in local variable table during redundant locals elimination.

compiler/testData/codegen/box/coroutines/tailCallOptimizations/crossinline.kt

@@ -0,0 +1,74 @@
+// IGNORE_BACKEND: JS
+// WITH_RUNTIME
+// WITH_COROUTINES
+// CHECK_BYTECODE_LISTING
+import helpers.*
+import kotlin.coroutines.experimental.*
+import kotlin.coroutines.experimental.intrinsics.*
+
+interface SourceCrossinline<out E> {
+    suspend fun consume(sink: Sink<E>)
+    companion object Factory
+}
+
+interface Sink<in E> {
+    suspend fun send(item: E)
+    fun close(cause: Throwable?)
+}
+
+inline fun <E> source(crossinline action: suspend Sink<E>.() -> Unit): SourceCrossinline<E> = object : SourceCrossinline<E> {
+    override suspend fun consume(sink: Sink<E>) {
+        var cause: Throwable? = null
+        try {
+            action(sink)
+        } catch (e: Throwable) {
+            cause = e
+        }
+        sink.close(cause)
+    }
+}
+
+fun SourceCrossinline.Factory.range(start: Int, count: Int): SourceCrossinline<Int> = source<Int> {
+    for (i in start until (start + count)) {
+        send(i)
+    }
+}
+
+suspend inline fun <E> SourceCrossinline<E>.consumeEach(crossinline action: suspend (E) -> Unit) {
+    consume(object : Sink<E> {
+        override suspend fun send(item: E) = action(item)
+        override fun close(cause: Throwable?) { cause?.let { throw it } }
+    })
+}
+
+suspend inline fun <E, R> SourceCrossinline<E>.fold(initial: R, crossinline operation: suspend (acc: R, E) -> R): R {
+    var acc = initial
+    consumeEach {
+        acc = operation(acc, it)
+    }
+    return acc
+}
+
+inline fun <E> SourceCrossinline<E>.filter(crossinline predicate: (E) -> Boolean) = source<E> {
+    consumeEach {
+        if (predicate(it)) send(it)
+    }
+}
+
+fun builder(c: suspend () -> Unit) {
+    c.startCoroutine(EmptyContinuation)
+}
+
+fun Int.isGood() = this % 4 == 0
+
+fun box(): String {
+    var res = 0
+    builder {
+        res = SourceCrossinline
+            .range(1, 11)
+            .filter { it.isGood() }
+            .fold(0, { a, b -> a + b })
+    }
+    if (res != 12) return "FAIL"
+    return "OK"
+}

compiler/testData/codegen/box/coroutines/tailCallOptimizations/crossinline.txt

@@ -0,0 +1,352 @@
+@kotlin.Metadata
+public final class CrossinlineKt$box$1$doResume$$inlined$filter$1$1 {
+    field L$0: java.lang.Object
+    field L$1: java.lang.Object
+    field L$2: java.lang.Object
+    field L$3: java.lang.Object
+    field L$4: java.lang.Object
+    field L$5: java.lang.Object
+    synthetic field data: java.lang.Object
+    synthetic field exception: java.lang.Throwable
+    synthetic final field this$0: CrossinlineKt$box$1$doResume$$inlined$filter$1
+    inner class CrossinlineKt$box$1$doResume$$inlined$filter$1
+    inner class CrossinlineKt$box$1$doResume$$inlined$filter$1$1
+    public method <init>(p0: CrossinlineKt$box$1$doResume$$inlined$filter$1, p1: kotlin.coroutines.experimental.Continuation): void
+    public final @org.jetbrains.annotations.Nullable method doResume(@org.jetbrains.annotations.Nullable p0: java.lang.Object, @org.jetbrains.annotations.Nullable p1: java.lang.Throwable): java.lang.Object
+    synthetic final method getLabel(): int
+    synthetic final method setLabel(p0: int): void
+}
+
+@kotlin.Metadata
+public final class CrossinlineKt$box$1$doResume$$inlined$filter$1$2$1 {
+    field L$0: java.lang.Object
+    field L$1: java.lang.Object
+    field L$2: java.lang.Object
+    synthetic field data: java.lang.Object
+    synthetic field exception: java.lang.Throwable
+    synthetic final field this$0: CrossinlineKt$box$1$doResume$$inlined$filter$1$2
+    inner class CrossinlineKt$box$1$doResume$$inlined$filter$1$2
+    inner class CrossinlineKt$box$1$doResume$$inlined$filter$1$2$1
+    public method <init>(p0: CrossinlineKt$box$1$doResume$$inlined$filter$1$2, p1: kotlin.coroutines.experimental.Continuation): void
+    public final @org.jetbrains.annotations.Nullable method doResume(@org.jetbrains.annotations.Nullable p0: java.lang.Object, @org.jetbrains.annotations.Nullable p1: java.lang.Throwable): java.lang.Object
+    synthetic final method getLabel(): int
+    synthetic final method setLabel(p0: int): void
+}
+
+@kotlin.Metadata
+public final class CrossinlineKt$box$1$doResume$$inlined$filter$1$2 {
+    synthetic final field receiver$0$inlined: Sink
+    synthetic final field this$0: CrossinlineKt$box$1$doResume$$inlined$filter$1
+    inner class CrossinlineKt$box$1$doResume$$inlined$filter$1$2
+    inner class CrossinlineKt$box$1$doResume$$inlined$filter$1$2$1
+    public method <init>(p0: Sink, p1: CrossinlineKt$box$1$doResume$$inlined$filter$1): void
+    public method close(@org.jetbrains.annotations.Nullable p0: java.lang.Throwable): void
+    public @org.jetbrains.annotations.Nullable method send(p0: java.lang.Object, @org.jetbrains.annotations.NotNull p1: kotlin.coroutines.experimental.Continuation): java.lang.Object
+}
+
+@kotlin.Metadata
+public final class CrossinlineKt$box$1$doResume$$inlined$filter$1 {
+    synthetic final field receiver$0$inlined: SourceCrossinline
+    inner class CrossinlineKt$box$1$doResume$$inlined$filter$1
+    inner class CrossinlineKt$box$1$doResume$$inlined$filter$1$1
+    public method <init>(p0: SourceCrossinline): void
+    public @org.jetbrains.annotations.Nullable method consume(@org.jetbrains.annotations.NotNull p0: Sink, @org.jetbrains.annotations.NotNull p1: kotlin.coroutines.experimental.Continuation): java.lang.Object
+}
+
+@kotlin.Metadata
+public final class CrossinlineKt$box$1$doResume$$inlined$fold$1 {
+    synthetic final field $acc$inlined: kotlin.jvm.internal.Ref$ObjectRef
+    inner class CrossinlineKt$box$1$doResume$$inlined$fold$1
+    inner class CrossinlineKt$box$1$fold$$inlined$consumeEach$1$1
+    public method <init>(p0: kotlin.jvm.internal.Ref$ObjectRef): void
+    public method close(@org.jetbrains.annotations.Nullable p0: java.lang.Throwable): void
+    public @org.jetbrains.annotations.Nullable method send(p0: java.lang.Object, @org.jetbrains.annotations.NotNull p1: kotlin.coroutines.experimental.Continuation): java.lang.Object
+}
+
+@kotlin.Metadata
+public final class CrossinlineKt$box$1$filter$$inlined$source$1$1 {
+    field L$0: java.lang.Object
+    field L$1: java.lang.Object
+    field L$2: java.lang.Object
+    field L$3: java.lang.Object
+    field L$4: java.lang.Object
+    field L$5: java.lang.Object
+    synthetic field data: java.lang.Object
+    synthetic field exception: java.lang.Throwable
+    synthetic final field this$0: CrossinlineKt$box$1$filter$$inlined$source$1
+    inner class CrossinlineKt$box$1$filter$$inlined$source$1
+    inner class CrossinlineKt$box$1$filter$$inlined$source$1$1
+    public method <init>(p0: CrossinlineKt$box$1$filter$$inlined$source$1, p1: kotlin.coroutines.experimental.Continuation): void
+    public final @org.jetbrains.annotations.Nullable method doResume(@org.jetbrains.annotations.Nullable p0: java.lang.Object, @org.jetbrains.annotations.Nullable p1: java.lang.Throwable): java.lang.Object
+    synthetic final method getLabel(): int
+    synthetic final method setLabel(p0: int): void
+}
+
+@kotlin.Metadata
+public final class CrossinlineKt$box$1$filter$$inlined$source$1$lambda$1$1 {
+    field L$0: java.lang.Object
+    field L$1: java.lang.Object
+    field L$2: java.lang.Object
+    synthetic field data: java.lang.Object
+    synthetic field exception: java.lang.Throwable
+    synthetic final field this$0: CrossinlineKt$box$1$filter$$inlined$source$1$lambda$1
+    inner class CrossinlineKt$box$1$filter$$inlined$source$1$lambda$1
+    inner class CrossinlineKt$box$1$filter$$inlined$source$1$lambda$1$1
+    public method <init>(p0: CrossinlineKt$box$1$filter$$inlined$source$1$lambda$1, p1: kotlin.coroutines.experimental.Continuation): void
+    public final @org.jetbrains.annotations.Nullable method doResume(@org.jetbrains.annotations.Nullable p0: java.lang.Object, @org.jetbrains.annotations.Nullable p1: java.lang.Throwable): java.lang.Object
+    synthetic final method getLabel(): int
+    synthetic final method setLabel(p0: int): void
+}
+
+@kotlin.Metadata
+public final class CrossinlineKt$box$1$filter$$inlined$source$1$lambda$1 {
+    synthetic final field receiver$0$inlined: Sink
+    synthetic final field this$0: CrossinlineKt$box$1$filter$$inlined$source$1
+    inner class CrossinlineKt$box$1$filter$$inlined$source$1$lambda$1
+    inner class CrossinlineKt$box$1$filter$$inlined$source$1$lambda$1$1
+    public method <init>(p0: Sink, p1: CrossinlineKt$box$1$filter$$inlined$source$1): void
+    public method close(@org.jetbrains.annotations.Nullable p0: java.lang.Throwable): void
+    public @org.jetbrains.annotations.Nullable method send(p0: java.lang.Object, @org.jetbrains.annotations.NotNull p1: kotlin.coroutines.experimental.Continuation): java.lang.Object
+}
+
+@kotlin.Metadata
+public final class CrossinlineKt$box$1$filter$$inlined$source$1 {
+    synthetic final field $predicate$inlined: kotlin.jvm.functions.Function1
+    synthetic final field receiver$0$inlined: SourceCrossinline
+    inner class CrossinlineKt$box$1$filter$$inlined$source$1
+    inner class CrossinlineKt$box$1$filter$$inlined$source$1$1
+    public method <init>(p0: SourceCrossinline, p1: kotlin.jvm.functions.Function1): void
+    public @org.jetbrains.annotations.Nullable method consume(@org.jetbrains.annotations.NotNull p0: Sink, @org.jetbrains.annotations.NotNull p1: kotlin.coroutines.experimental.Continuation): java.lang.Object
+}
+
+@kotlin.Metadata
+public final class CrossinlineKt$box$1$fold$$inlined$consumeEach$1$1 {
+    synthetic field data: java.lang.Object
+    synthetic field exception: java.lang.Throwable
+    synthetic final field this$0: CrossinlineKt$box$1$fold$$inlined$consumeEach$1
+    inner class CrossinlineKt$box$1$fold$$inlined$consumeEach$1
+    inner class CrossinlineKt$box$1$fold$$inlined$consumeEach$1$1
+    public method <init>(p0: CrossinlineKt$box$1$fold$$inlined$consumeEach$1, p1: kotlin.coroutines.experimental.Continuation): void
+    public final @org.jetbrains.annotations.Nullable method doResume(@org.jetbrains.annotations.Nullable p0: java.lang.Object, @org.jetbrains.annotations.Nullable p1: java.lang.Throwable): java.lang.Object
+    synthetic final method getLabel(): int
+    synthetic final method setLabel(p0: int): void
+}
+
+@kotlin.Metadata
+public final class CrossinlineKt$box$1$fold$$inlined$consumeEach$1 {
+    synthetic final field $acc$inlined: kotlin.jvm.internal.Ref$ObjectRef
+    synthetic final field $operation$inlined: kotlin.jvm.functions.Function3
+    inner class CrossinlineKt$box$1$fold$$inlined$consumeEach$1
+    inner class CrossinlineKt$box$1$fold$$inlined$consumeEach$1$1
+    public method <init>(p0: kotlin.jvm.internal.Ref$ObjectRef, p1: kotlin.jvm.functions.Function3): void
+    public method close(@org.jetbrains.annotations.Nullable p0: java.lang.Throwable): void
+    public @org.jetbrains.annotations.Nullable method send(p0: java.lang.Object, @org.jetbrains.annotations.NotNull p1: kotlin.coroutines.experimental.Continuation): java.lang.Object
+}
+
+@kotlin.Metadata
+final class CrossinlineKt$box$1 {
+    synthetic final field $res: kotlin.jvm.internal.Ref$IntRef
+    field L$0: java.lang.Object
+    field L$1: java.lang.Object
+    field L$2: java.lang.Object
+    field L$3: java.lang.Object
+    field L$4: java.lang.Object
+    inner class CrossinlineKt$box$1
+    method <init>(p0: kotlin.jvm.internal.Ref$IntRef, p1: kotlin.coroutines.experimental.Continuation): void
+    public final @org.jetbrains.annotations.NotNull method create(@org.jetbrains.annotations.NotNull p0: kotlin.coroutines.experimental.Continuation): kotlin.coroutines.experimental.Continuation
+    public final @org.jetbrains.annotations.Nullable method doResume(@org.jetbrains.annotations.Nullable p0: java.lang.Object, @org.jetbrains.annotations.Nullable p1: java.lang.Throwable): java.lang.Object
+    public final @org.jetbrains.annotations.Nullable method invoke(@org.jetbrains.annotations.NotNull p0: kotlin.coroutines.experimental.Continuation): java.lang.Object
+    public synthetic method invoke(p0: java.lang.Object): java.lang.Object
+}
+
+@kotlin.Metadata
+public final class CrossinlineKt$consumeEach$2$send$1 {
+    synthetic field data: java.lang.Object
+    synthetic field exception: java.lang.Throwable
+    synthetic final field this$0: CrossinlineKt$consumeEach$2
+    inner class CrossinlineKt$consumeEach$2
+    inner class CrossinlineKt$consumeEach$2$send$1
+    public method <init>(p0: CrossinlineKt$consumeEach$2, p1: kotlin.coroutines.experimental.Continuation): void
+    public final @org.jetbrains.annotations.Nullable method doResume(@org.jetbrains.annotations.Nullable p0: java.lang.Object, @org.jetbrains.annotations.Nullable p1: java.lang.Throwable): java.lang.Object
+    synthetic final method getLabel(): int
+    synthetic final method setLabel(p0: int): void
+}
+
+@kotlin.Metadata
+public final class CrossinlineKt$consumeEach$2 {
+    synthetic final field $action: kotlin.jvm.functions.Function2
+    inner class CrossinlineKt$consumeEach$2
+    inner class CrossinlineKt$consumeEach$2$send$1
+    public method <init>(p0: kotlin.jvm.functions.Function2): void
+    public method close(@org.jetbrains.annotations.Nullable p0: java.lang.Throwable): void
+    public @org.jetbrains.annotations.Nullable method send(p0: java.lang.Object, @org.jetbrains.annotations.NotNull p1: kotlin.coroutines.experimental.Continuation): java.lang.Object
+}
+
+@kotlin.Metadata
+public final class CrossinlineKt$filter$$inlined$source$1$1 {
+    field L$0: java.lang.Object
+    field L$1: java.lang.Object
+    field L$2: java.lang.Object
+    field L$3: java.lang.Object
+    field L$4: java.lang.Object
+    field L$5: java.lang.Object
+    synthetic field data: java.lang.Object
+    synthetic field exception: java.lang.Throwable
+    synthetic final field this$0: CrossinlineKt$filter$$inlined$source$1
+    inner class CrossinlineKt$filter$$inlined$source$1
+    inner class CrossinlineKt$filter$$inlined$source$1$1
+    public method <init>(p0: CrossinlineKt$filter$$inlined$source$1, p1: kotlin.coroutines.experimental.Continuation): void
+    public final @org.jetbrains.annotations.Nullable method doResume(@org.jetbrains.annotations.Nullable p0: java.lang.Object, @org.jetbrains.annotations.Nullable p1: java.lang.Throwable): java.lang.Object
+    synthetic final method getLabel(): int
+    synthetic final method setLabel(p0: int): void
+}
+
+@kotlin.Metadata
+public final class CrossinlineKt$filter$$inlined$source$1$lambda$1$1 {
+    field L$0: java.lang.Object
+    field L$1: java.lang.Object
+    field L$2: java.lang.Object
+    synthetic field data: java.lang.Object
+    synthetic field exception: java.lang.Throwable
+    synthetic final field this$0: CrossinlineKt$filter$$inlined$source$1$lambda$1
+    inner class CrossinlineKt$filter$$inlined$source$1$lambda$1
+    inner class CrossinlineKt$filter$$inlined$source$1$lambda$1$1
+    public method <init>(p0: CrossinlineKt$filter$$inlined$source$1$lambda$1, p1: kotlin.coroutines.experimental.Continuation): void
+    public final @org.jetbrains.annotations.Nullable method doResume(@org.jetbrains.annotations.Nullable p0: java.lang.Object, @org.jetbrains.annotations.Nullable p1: java.lang.Throwable): java.lang.Object
+    synthetic final method getLabel(): int
+    synthetic final method setLabel(p0: int): void
+}
+
+@kotlin.Metadata
+public final class CrossinlineKt$filter$$inlined$source$1$lambda$1 {
+    synthetic final field receiver$0$inlined: Sink
+    synthetic final field this$0: CrossinlineKt$filter$$inlined$source$1
+    inner class CrossinlineKt$filter$$inlined$source$1$lambda$1
+    inner class CrossinlineKt$filter$$inlined$source$1$lambda$1$1
+    public method <init>(p0: Sink, p1: CrossinlineKt$filter$$inlined$source$1): void
+    public method close(@org.jetbrains.annotations.Nullable p0: java.lang.Throwable): void
+    public @org.jetbrains.annotations.Nullable method send(p0: java.lang.Object, @org.jetbrains.annotations.NotNull p1: kotlin.coroutines.experimental.Continuation): java.lang.Object
+}
+
+@kotlin.Metadata
+public final class CrossinlineKt$filter$$inlined$source$1 {
+    synthetic final field $predicate$inlined: kotlin.jvm.functions.Function1
+    synthetic final field receiver$0$inlined: SourceCrossinline
+    inner class CrossinlineKt$filter$$inlined$source$1
+    inner class CrossinlineKt$filter$$inlined$source$1$1
+    public method <init>(p0: SourceCrossinline, p1: kotlin.jvm.functions.Function1): void
+    public @org.jetbrains.annotations.Nullable method consume(@org.jetbrains.annotations.NotNull p0: Sink, @org.jetbrains.annotations.NotNull p1: kotlin.coroutines.experimental.Continuation): java.lang.Object
+}
+
+@kotlin.Metadata
+public final class CrossinlineKt$fold$$inlined$consumeEach$1$1 {
+    synthetic field data: java.lang.Object
+    synthetic field exception: java.lang.Throwable
+    synthetic final field this$0: CrossinlineKt$fold$$inlined$consumeEach$1
+    inner class CrossinlineKt$fold$$inlined$consumeEach$1
+    inner class CrossinlineKt$fold$$inlined$consumeEach$1$1
+    public method <init>(p0: CrossinlineKt$fold$$inlined$consumeEach$1, p1: kotlin.coroutines.experimental.Continuation): void
+    public final @org.jetbrains.annotations.Nullable method doResume(@org.jetbrains.annotations.Nullable p0: java.lang.Object, @org.jetbrains.annotations.Nullable p1: java.lang.Throwable): java.lang.Object
+    synthetic final method getLabel(): int
+    synthetic final method setLabel(p0: int): void
+}
+
+@kotlin.Metadata
+public final class CrossinlineKt$fold$$inlined$consumeEach$1 {
+    synthetic final field $acc$inlined: kotlin.jvm.internal.Ref$ObjectRef
+    synthetic final field $operation$inlined: kotlin.jvm.functions.Function3
+    inner class CrossinlineKt$fold$$inlined$consumeEach$1
+    inner class CrossinlineKt$fold$$inlined$consumeEach$1$1
+    public method <init>(p0: kotlin.jvm.internal.Ref$ObjectRef, p1: kotlin.jvm.functions.Function3): void
+    public method close(@org.jetbrains.annotations.Nullable p0: java.lang.Throwable): void
+    public @org.jetbrains.annotations.Nullable method send(p0: java.lang.Object, @org.jetbrains.annotations.NotNull p1: kotlin.coroutines.experimental.Continuation): java.lang.Object
+}
+
+@kotlin.Metadata
+public final class CrossinlineKt$range$$inlined$source$1$1 {
+    field I$0: int
+    field I$1: int
+    field L$0: java.lang.Object
+    field L$1: java.lang.Object
+    field L$2: java.lang.Object
+    field L$3: java.lang.Object
+    field L$4: java.lang.Object
+    synthetic field data: java.lang.Object
+    synthetic field exception: java.lang.Throwable
+    synthetic final field this$0: CrossinlineKt$range$$inlined$source$1
+    inner class CrossinlineKt$range$$inlined$source$1
+    inner class CrossinlineKt$range$$inlined$source$1$1
+    public method <init>(p0: CrossinlineKt$range$$inlined$source$1, p1: kotlin.coroutines.experimental.Continuation): void
+    public final @org.jetbrains.annotations.Nullable method doResume(@org.jetbrains.annotations.Nullable p0: java.lang.Object, @org.jetbrains.annotations.Nullable p1: java.lang.Throwable): java.lang.Object
+    synthetic final method getLabel(): int
+    synthetic final method setLabel(p0: int): void
+}
+
+@kotlin.Metadata
+public final class CrossinlineKt$range$$inlined$source$1 {
+    synthetic final field $count$inlined: int
+    synthetic final field $start$inlined: int
+    inner class CrossinlineKt$range$$inlined$source$1
+    inner class CrossinlineKt$range$$inlined$source$1$1
+    public method <init>(p0: int, p1: int): void
+    public @org.jetbrains.annotations.Nullable method consume(@org.jetbrains.annotations.NotNull p0: Sink, @org.jetbrains.annotations.NotNull p1: kotlin.coroutines.experimental.Continuation): java.lang.Object
+}
+
+@kotlin.Metadata
+public final class CrossinlineKt$source$1$consume$1 {
+    synthetic field data: java.lang.Object
+    synthetic field exception: java.lang.Throwable
+    synthetic final field this$0: CrossinlineKt$source$1
+    inner class CrossinlineKt$source$1
+    inner class CrossinlineKt$source$1$consume$1
+    public method <init>(p0: CrossinlineKt$source$1, p1: kotlin.coroutines.experimental.Continuation): void
+    public final @org.jetbrains.annotations.Nullable method doResume(@org.jetbrains.annotations.Nullable p0: java.lang.Object, @org.jetbrains.annotations.Nullable p1: java.lang.Throwable): java.lang.Object
+    synthetic final method getLabel(): int
+    synthetic final method setLabel(p0: int): void
+}
+
+@kotlin.Metadata
+public final class CrossinlineKt$source$1 {
+    synthetic final field $action: kotlin.jvm.functions.Function2
+    inner class CrossinlineKt$source$1
+    inner class CrossinlineKt$source$1$consume$1
+    public method <init>(p0: kotlin.jvm.functions.Function2): void
+    public @org.jetbrains.annotations.Nullable method consume(@org.jetbrains.annotations.NotNull p0: Sink, @org.jetbrains.annotations.NotNull p1: kotlin.coroutines.experimental.Continuation): java.lang.Object
+}
+
+@kotlin.Metadata
+public final class CrossinlineKt {
+    inner class CrossinlineKt$box$1
+    inner class CrossinlineKt$consumeEach$2
+    inner class CrossinlineKt$source$1
+    public final static @org.jetbrains.annotations.NotNull method box(): java.lang.String
+    public final static method builder(@org.jetbrains.annotations.NotNull p0: kotlin.jvm.functions.Function1): void
+    private final static method consumeEach(@org.jetbrains.annotations.NotNull p0: SourceCrossinline, p1: kotlin.jvm.functions.Function2, p2: kotlin.coroutines.experimental.Continuation): java.lang.Object
+    public final static @org.jetbrains.annotations.NotNull method filter(@org.jetbrains.annotations.NotNull p0: SourceCrossinline, @org.jetbrains.annotations.NotNull p1: kotlin.jvm.functions.Function1): SourceCrossinline
+    private final static method fold(@org.jetbrains.annotations.NotNull p0: SourceCrossinline, p1: java.lang.Object, p2: kotlin.jvm.functions.Function3, p3: kotlin.coroutines.experimental.Continuation): java.lang.Object
+    public final static method isGood(p0: int): boolean
+    public final static @org.jetbrains.annotations.NotNull method range(@org.jetbrains.annotations.NotNull p0: SourceCrossinline$Factory, p1: int, p2: int): SourceCrossinline
+    public final static @org.jetbrains.annotations.NotNull method source(@org.jetbrains.annotations.NotNull p0: kotlin.jvm.functions.Function2): SourceCrossinline
+}
+
+@kotlin.Metadata
+public interface Sink {
+    public abstract method close(@org.jetbrains.annotations.Nullable p0: java.lang.Throwable): void
+    public abstract @org.jetbrains.annotations.Nullable method send(p0: java.lang.Object, @org.jetbrains.annotations.NotNull p1: kotlin.coroutines.experimental.Continuation): java.lang.Object
+}
+
+@kotlin.Metadata
+public final class SourceCrossinline$Factory {
+    synthetic final static field $$INSTANCE: SourceCrossinline$Factory
+    inner class SourceCrossinline$Factory
+    static method <clinit>(): void
+    private method <init>(): void
+}
+
+@kotlin.Metadata
+public interface SourceCrossinline {
+    public final static field Factory: SourceCrossinline$Factory
+    inner class SourceCrossinline$Factory
+    static method <clinit>(): void
+    public abstract @org.jetbrains.annotations.Nullable method consume(@org.jetbrains.annotations.NotNull p0: Sink, @org.jetbrains.annotations.NotNull p1: kotlin.coroutines.experimental.Continuation): java.lang.Object
+}

compiler/testData/codegen/box/coroutines/tailCallOptimizations/inlineWithoutStateMachine.txt

@@ -14,7 +14,6 @@ final class InlineWithoutStateMachineKt$box$1 {
 @kotlin.Metadata
 final class InlineWithoutStateMachineKt$complexSuspend$1 {
     field L$0: java.lang.Object
-    field L$1: java.lang.Object
     synthetic field data: java.lang.Object
     synthetic field exception: java.lang.Throwable
     inner class InlineWithoutStateMachineKt$complexSuspend$1

compiler/testData/codegen/boxInline/suspend/capturedVariables.kt

@@ -15,6 +15,7 @@ suspend inline fun test2(crossinline c: suspend () -> Unit) {
 // FILE: box.kt
 
 import kotlin.coroutines.experimental.*
+import kotlin.coroutines.experimental.intrinsics.*
 
 fun builder(c: suspend () -> Unit) {
     c.startCoroutine(object: Continuation<Unit> {
@@ -30,7 +31,10 @@ fun builder(c: suspend () -> Unit) {
     })
 }
 
-suspend fun calculate() = "OK"
+suspend fun calculate() = suspendCoroutineOrReturn<String> {
+    it.resume("OK")
+    COROUTINE_SUSPENDED
+}
 
 fun box() : String {
     var res = "FAIL 1"

compiler/testData/codegen/bytecodeText/coroutines/returnUnitInLambda.kt

@@ -25,5 +25,8 @@ fun box() : String {
     return res
 }
 
+// When we generate code of suspend function returning unit call
+// we surround it with return unit markers.
+// While denerating state machine, we remove them.
 // 0 ICONST_2
 // 0 ICONST_3