JVM_IR: basic suspend conversion on argument test passed

compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/lower/AddContinuationLowering.kt

@@ -95,13 +95,15 @@ private class AddContinuationLowering(private val context: JvmBackendContext) :
 
             override fun visitFunctionReference(expression: IrFunctionReference) {
                 expression.acceptChildrenVoid(this)
-                if (expression.isSuspend && expression.isLambdaOrAdaptedCallableReference() && expression !in inlineReferences) {
+                if (expression.isSuspend && expression.shouldBeTreatedAsSuspendLambda() && expression !in inlineReferences) {
                     suspendLambdas[expression] = SuspendLambdaInfo(expression)
                 }
             }
 
-            private fun IrFunctionReference.isLambdaOrAdaptedCallableReference() =
-                origin == IrStatementOrigin.LAMBDA || origin == IrStatementOrigin.ADAPTED_FUNCTION_REFERENCE
+            private fun IrFunctionReference.shouldBeTreatedAsSuspendLambda() =
+                origin == IrStatementOrigin.LAMBDA ||
+                        origin == IrStatementOrigin.ADAPTED_FUNCTION_REFERENCE ||
+                        origin == IrStatementOrigin.SUSPEND_CONVERSION
         })
 
         for (lambda in suspendLambdas.values) {

compiler/ir/ir.psi2ir/src/org/jetbrains/kotlin/psi2ir/generators/ArgumentsGenerationUtils.kt

@@ -456,7 +456,12 @@ private fun StatementGenerator.createFunctionForSuspendConversion(
         if (suspendFunReturnType.isUnit()) {
             +irAdapteeCall
         } else {
-            +irReturn(irAdapteeCall)
+            +IrReturnImpl(
+                startOffset, endOffset,
+                context.irBuiltIns.nothingType,
+                irAdapterFun.symbol,
+                irAdapteeCall
+            )
         }
     }