Stdlib: review and suppress warnings

libraries/stdlib/coroutines/jvm/src/kotlin/coroutines/jvm/internal/DebugProbes.kt

@@ -54,6 +54,7 @@ internal fun <T> probeCoroutineCreated(completion: Continuation<T>): Continuatio
  * parameter in this function is `Continuation<*>`. See [probeCoroutineCreated] for details.
  */
 @SinceKotlin("1.3")
+@Suppress("UNUSED_PARAMETER")
 internal fun probeCoroutineResumed(frame: Continuation<*>) {
     /** implementation of this function is replaced by debugger */
 }
@@ -69,6 +70,7 @@ internal fun probeCoroutineResumed(frame: Continuation<*>) {
  * parameter in this function is `Continuation<*>`. See [probeCoroutineCreated] for details.
  */
 @SinceKotlin("1.3")
+@Suppress("UNUSED_PARAMETER")
 internal fun probeCoroutineSuspended(frame: Continuation<*>) {
     /** implementation of this function is replaced by debugger */
 }

libraries/stdlib/coroutines/jvm/src/kotlin/coroutines/jvm/internal/RunSuspend.kt

@@ -28,13 +28,13 @@ private class RunSuspend : Continuation<Unit> {
 
     override fun resumeWith(result: Result<Unit>) = synchronized(this) {
         this.result = result
-        (this as Object).notifyAll()
+        @Suppress("PLATFORM_CLASS_MAPPED_TO_KOTLIN") (this as Object).notifyAll()
     }
 
     fun await() = synchronized(this) {
         while (true) {
             when (val result = this.result) {
-                null -> (this as Object).wait()
+                null -> @Suppress("PLATFORM_CLASS_MAPPED_TO_KOTLIN") (this as Object).wait()
                 else -> {
                     result.getOrThrow() // throw up failure
                     return

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

@@ -36,6 +36,7 @@ import kotlin.internal.InlineOnly
  */
 @SinceKotlin("1.3")
 @InlineOnly
+@Suppress("UNUSED_PARAMETER", "RedundantSuspendModifier")
 public suspend inline fun <T> suspendCoroutineUninterceptedOrReturn(crossinline block: (Continuation<T>) -> Any?): T =
     throw NotImplementedError("Implementation of suspendCoroutineUninterceptedOrReturn is intrinsic")