Minor. Make test actually suspend and add a test without suspension

compiler/testData/codegen/box/coroutines/inlineClasses/direct/multifileBridge.kt

@@ -0,0 +1,26 @@
+// TARGET_BACKEND: JVM
+// WITH_RUNTIME
+// WITH_COROUTINES
+// FILE: a.kt
+@file:JvmMultifileClass
+@file:JvmName("A")
+
+import kotlin.coroutines.*
+import kotlin.coroutines.intrinsics.*
+
+@Suppress("UNSUPPORTED_FEATURE")
+inline class I(val x: Any?)
+
+suspend fun <T> suspendHere(t: T): T = t
+
+suspend fun f(): I = I(suspendHere("OK"))
+
+// FILE: z.kt
+import helpers.*
+import kotlin.coroutines.*
+
+fun box(): String {
+    var result = "fail"
+    suspend { result = f().x as String }.startCoroutine(EmptyContinuation)
+    return result
+}

compiler/testData/codegen/box/coroutines/inlineClasses/direct/syntheticAccessor.kt

@@ -0,0 +1,27 @@
+// WITH_RUNTIME
+// WITH_COROUTINES
+// IGNORE_BACKEND: JS_IR
+
+import helpers.*
+import kotlin.coroutines.*
+import kotlin.coroutines.intrinsics.*
+
+@Suppress("UNSUPPORTED_FEATURE")
+inline class I(val x: Any?)
+
+class C {
+    private suspend fun f(): I {
+        return I("OK")
+    }
+
+    fun g() = suspend { f() }
+}
+
+val c: Continuation<Unit>? = null
+
+fun box(): String {
+    var result = "fail"
+    suspend { result = C().g()().x as String }.startCoroutine(EmptyContinuation)
+
+    return result
+}

compiler/testData/codegen/box/coroutines/inlineClasses/resume/multifileBridge.kt

@@ -1,4 +1,4 @@
-// TARGET_PLATFORM: JVM
+// TARGET_BACKEND: JVM
 // WITH_RUNTIME
 // WITH_COROUTINES
 // FILE: a.kt
@@ -11,12 +11,14 @@ import kotlin.coroutines.intrinsics.*
 @Suppress("UNSUPPORTED_FEATURE")
 inline class I(val x: Any?)
 
-suspend fun <T> suspendHere(x: T): T = suspendCoroutineUninterceptedOrReturn {
-    it.resume(x)
+suspend fun <T> suspendHere(): T = suspendCoroutineUninterceptedOrReturn {
+    c = it as Continuation<Any?>
     COROUTINE_SUSPENDED
 }
 
-suspend fun f(): I = I(suspendHere("OK"))
+var c: Continuation<Any?>? = null
+
+suspend fun f(): I = I(suspendHere<String>())
 
 // FILE: z.kt
 import helpers.*
@@ -25,5 +27,6 @@ import kotlin.coroutines.*
 fun box(): String {
     var result = "fail"
     suspend { result = f().x as String }.startCoroutine(EmptyContinuation)
+    c?.resume("OK")
     return result
 }

compiler/testData/codegen/box/coroutines/inlineClasses/resume/syntheticAccessor.kt

@@ -8,19 +8,23 @@ import kotlin.coroutines.intrinsics.*
 @Suppress("UNSUPPORTED_FEATURE")
 inline class I(val x: Any?)
 
-suspend fun <T> suspendHere(x: T): T = suspendCoroutineUninterceptedOrReturn {
-    it.resume(x)
+suspend fun <T> suspendHere(): T = suspendCoroutineUninterceptedOrReturn {
+    c = it as Continuation<Any?>
     COROUTINE_SUSPENDED
 }
 
+var c: Continuation<Any?>? = null
+
 class C {
-    private suspend fun f(): I = I(suspendHere("OK"))
+    private suspend fun f(): I = I(suspendHere<String>())
 
     fun g() = suspend { f() }
 }
 
 fun box(): String {
     var result = "fail"
     suspend { result = C().g()().x as String }.startCoroutine(EmptyContinuation)
+
+    c?.resume("OK")
     return result
 }