Fix regression after migrating to release coroutines:

createCoroutinesOnManualInstances.kt test.

Also remove obsolete references to kotlin.coroutines.experimental

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/ir/Ir.kt

@@ -368,6 +368,9 @@ internal class KonanSymbols(context: Context, val symbolTable: SymbolTable, val
     private val coroutinesPackage = context.builtIns.builtInsModule.getPackage(
             context.config.configuration.languageVersionSettings.coroutinesPackageFqName()).memberScope
 
+    val continuationClassDescriptor = coroutinesPackage
+            .getContributedClassifier(Name.identifier("Continuation"), NoLookupLocation.FROM_BACKEND) as ClassDescriptor
+
     val coroutineContextGetter = coroutinesPackage
             .getContributedVariables(Name.identifier("coroutineContext"), NoLookupLocation.FROM_BACKEND)
             .single()

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/CallableReferenceLowering.kt

@@ -127,13 +127,9 @@ internal class CallableReferenceLowering(val context: Context): FileLoweringPass
     private class BuiltFunctionReference(val functionReferenceClass: IrClass,
                                          val functionReferenceConstructor: IrConstructor)
 
-    private val COROUTINES_FQ_NAME = FqName.fromSegments(listOf("kotlin", "coroutines", "experimental"))
     private val VOLATILE_LAMBDA_FQ_NAME = FqName.fromSegments(listOf("kotlin", "native", "internal", "VolatileLambda"))
 
-    private val coroutinesScope    = context.irModule!!.descriptor.getPackage(COROUTINES_FQ_NAME).memberScope
+    private val continuationClassDescriptor = context.ir.symbols.continuationClassDescriptor
-
-    private val continuationClassDescriptor = coroutinesScope
-            .getContributedClassifier(Name.identifier("Continuation"), NoLookupLocation.FROM_BACKEND) as ClassDescriptor
 
     private val getContinuationSymbol = context.ir.symbols.getContinuation
 

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/SuspendFunctionsLowering.kt

@@ -34,7 +34,6 @@ import org.jetbrains.kotlin.ir.symbols.impl.IrVariableSymbolImpl
 import org.jetbrains.kotlin.ir.types.*
 import org.jetbrains.kotlin.ir.util.*
 import org.jetbrains.kotlin.ir.visitors.*
-import org.jetbrains.kotlin.name.FqName
 import org.jetbrains.kotlin.name.Name
 import org.jetbrains.kotlin.storage.LockBasedStorageManager
 
@@ -252,12 +251,6 @@ internal class SuspendFunctionsLowering(val context: Context): FileLoweringPass
                                  val coroutineConstructor: IrConstructor,
                                  val invokeSuspendFunction: IrFunction)
 
-    private val COROUTINES_FQ_NAME            = FqName.fromSegments(listOf("kotlin", "coroutines", "experimental"))
-    private val KOTLIN_FQ_NAME                = FqName("kotlin")
-
-    private val coroutinesScope           = context.irModule!!.descriptor.getPackage(COROUTINES_FQ_NAME).memberScope
-    private val kotlinPackageScope        = context.irModule!!.descriptor.getPackage(KOTLIN_FQ_NAME).memberScope
-
     private inner class CoroutineBuilder(val irFunction: IrFunction, val functionReference: IrFunctionReference?) {
 
         private val functionParameters = irFunction.explicitParameters

runtime/src/main/kotlin/kotlin/sequences/Sequences.kt

@@ -6,7 +6,6 @@
 package kotlin.sequences
 
 import kotlin.comparisons.*
-import kotlin.coroutines.experimental.*
 import kotlin.native.internal.FixmeConcurrency
 
 @FixmeConcurrency