Read old suspend functions in 1.3

libraries/stdlib/coroutines/src/kotlin/coroutines/Continuation.kt

@@ -138,6 +138,7 @@ public fun <R, T> (suspend R.() -> T).startCoroutine(
  */
 @SinceKotlin("1.3")
 @InlineOnly
+@kotlin.internal.RequireKotlin("1.3")
 public suspend inline fun <T> suspendCoroutine(crossinline block: (Continuation<T>) -> Unit): T =
     suspendCoroutineUninterceptedOrReturn { c: Continuation<T> ->
         val safe = SafeContinuation(c.intercepted())

libraries/stdlib/coroutines/src/kotlin/coroutines/intrinsics/Intrinsics.kt

@@ -37,6 +37,7 @@ import kotlin.internal.InlineOnly
  */
 @SinceKotlin("1.3")
 @InlineOnly
+@kotlin.internal.RequireKotlin("1.3")
 public suspend inline fun <T> suspendCoroutineUninterceptedOrReturn(crossinline block: (Continuation<T>) -> Any?): T =
     throw NotImplementedError("Implementation of suspendCoroutineUninterceptedOrReturn is intrinsic")
 

libraries/stdlib/coroutines/src/kotlin/sequences/SequenceBuilder.kt

@@ -3,6 +3,7 @@
  * that can be found in the license/LICENSE.txt file.
  */
 
+@file:Suppress("INVISIBLE_REFERENCE", "INVISIBLE_MEMBER")
 @file:kotlin.jvm.JvmMultifileClass
 @file:kotlin.jvm.JvmName("SequenceBuilderKt")
 
@@ -54,6 +55,7 @@ public abstract class SequenceBuilder<in T> internal constructor() {
      * @sample samples.collections.Sequences.Building.buildSequenceYieldAll
      * @sample samples.collections.Sequences.Building.buildFibonacciSequence
      */
+    @kotlin.internal.RequireKotlin("1.3")
     public abstract suspend fun yield(value: T)
 
     /**
@@ -63,6 +65,7 @@ public abstract class SequenceBuilder<in T> internal constructor() {
      *
      * @sample samples.collections.Sequences.Building.buildSequenceYieldAll
      */
+    @kotlin.internal.RequireKotlin("1.3")
     public abstract suspend fun yieldAll(iterator: Iterator<T>)
 
     /**
@@ -70,6 +73,7 @@ public abstract class SequenceBuilder<in T> internal constructor() {
      *
      * @sample samples.collections.Sequences.Building.buildSequenceYieldAll
      */
+    @kotlin.internal.RequireKotlin("1.3")
     public suspend fun yieldAll(elements: Iterable<T>) {
         if (elements is Collection && elements.isEmpty()) return
         return yieldAll(elements.iterator())
@@ -82,6 +86,7 @@ public abstract class SequenceBuilder<in T> internal constructor() {
      *
      * @sample samples.collections.Sequences.Building.buildSequenceYieldAll
      */
+    @kotlin.internal.RequireKotlin("1.3")
     public suspend fun yieldAll(sequence: Sequence<T>) = yieldAll(sequence.iterator())
 }