Force boxing kotlin.Result return type of suspend functions

#KT-40843 Fixed

compiler/testData/codegen/box/coroutines/inlineClasses/returnResult.kt

@@ -0,0 +1,28 @@
+// WITH_RUNTIME
+// WITH_COROUTINES
+
+import helpers.*
+import kotlin.coroutines.*
+
+fun builder(c: suspend () -> Unit) {
+    c.startCoroutine(EmptyContinuation)
+}
+
+var continuation: Continuation<Unit>? = null
+
+suspend fun suspendMe() = suspendCoroutine<Unit> { continuation = it }
+
+@Suppress("RESULT_CLASS_IN_RETURN_TYPE")
+suspend fun signInFlowStepFirst(): Result<Unit> = try {
+    Result.success(suspendMe())
+} catch (e: Exception) {
+    Result.failure(e)
+}
+
+fun box(): String {
+    builder {
+        signInFlowStepFirst()
+    }
+    continuation!!.resumeWithException(Exception("BOOYA"))
+    return "OK"
+}