Rename SUSPENDED_MARKER to COROUTINE_SUSPENDED

compiler/testData/diagnostics/testsWithStdLib/coroutines/suspendCoroutineOrReturn.kt

@@ -7,7 +7,7 @@ class Controller {
     suspend fun noParams(): Unit = suspendCoroutineOrReturn {
         if (hashCode() % 2 == 0) {
             it.resume(Unit)
-            SUSPENDED_MARKER
+            COROUTINE_SUSPENDED
         }
         else {
             Unit

compiler/testData/diagnostics/testsWithStdLib/coroutines/tailCalls/nothingTypedSuspendFunction.kt

@@ -4,5 +4,5 @@ import kotlin.coroutines.experimental.intrinsics.*
 
 suspend fun suspendLogAndThrow(exception: Throwable): Nothing = suspendCoroutineOrReturn { c ->
     c.resumeWithException(exception)
-    SUSPENDED_MARKER
+    COROUTINE_SUSPENDED
 }