Reflection: do not try to box COROUTINE_SUSPENDED

#KT-58887 Fixed

compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirLightTreeBlackBoxCodegenTestGenerated.java

@@ -44311,6 +44311,12 @@ public class FirLightTreeBlackBoxCodegenTestGenerated extends AbstractFirLightTr
                     runTest("compiler/testData/codegen/box/reflection/call/inlineClasses/internalPrimaryValOfInlineClass.kt");
                 }
 
+                @Test
+                @TestMetadata("kt58887.kt")
+                public void testKt58887() throws Exception {
+                    runTest("compiler/testData/codegen/box/reflection/call/inlineClasses/kt58887.kt");
+                }
+
                 @Test
                 @TestMetadata("primaryValOfInlineClass.kt")
                 public void testPrimaryValOfInlineClass() throws Exception {

compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirPsiBlackBoxCodegenTestGenerated.java

@@ -44311,6 +44311,12 @@ public class FirPsiBlackBoxCodegenTestGenerated extends AbstractFirPsiBlackBoxCo
                     runTest("compiler/testData/codegen/box/reflection/call/inlineClasses/internalPrimaryValOfInlineClass.kt");
                 }
 
+                @Test
+                @TestMetadata("kt58887.kt")
+                public void testKt58887() throws Exception {
+                    runTest("compiler/testData/codegen/box/reflection/call/inlineClasses/kt58887.kt");
+                }
+
                 @Test
                 @TestMetadata("primaryValOfInlineClass.kt")
                 public void testPrimaryValOfInlineClass() throws Exception {

compiler/testData/codegen/box/reflection/call/inlineClasses/kt58887.kt

@@ -0,0 +1,34 @@
+// TARGET_BACKEND: JVM
+// WITH_REFLECT
+// WITH_COROUTINES
+
+import helpers.EmptyContinuation
+import kotlin.coroutines.Continuation
+import kotlin.coroutines.startCoroutine
+import kotlin.coroutines.suspendCoroutine
+import kotlin.reflect.KFunction
+import kotlin.reflect.full.callSuspendBy
+
+var c: Continuation<Z>? = null
+
+suspend fun suspendMe(): Z =
+    suspendCoroutine { c = it }
+
+fun builder(c: suspend () -> Unit) {
+    c.startCoroutine(EmptyContinuation())
+}
+
+fun box(): String {
+    var result = Z("Fail")
+    builder {
+        val ref: KFunction<Z> = ::suspendMe
+        result = ref.callSuspendBy(emptyMap())
+    }
+    c!!.resumeWith(Result.success(Z("OK")))
+    return result.value
+}
+
+@JvmInline
+value class Z(val value: String) {
+    override fun toString(): String = value
+}

compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/BlackBoxCodegenTestGenerated.java

@@ -41701,6 +41701,12 @@ public class BlackBoxCodegenTestGenerated extends AbstractBlackBoxCodegenTest {
                     runTest("compiler/testData/codegen/box/reflection/call/inlineClasses/internalPrimaryValOfInlineClass.kt");
                 }
 
+                @Test
+                @TestMetadata("kt58887.kt")
+                public void testKt58887() throws Exception {
+                    runTest("compiler/testData/codegen/box/reflection/call/inlineClasses/kt58887.kt");
+                }
+
                 @Test
                 @TestMetadata("primaryValOfInlineClass.kt")
                 public void testPrimaryValOfInlineClass() throws Exception {

compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrBlackBoxCodegenTestGenerated.java

@@ -44311,6 +44311,12 @@ public class IrBlackBoxCodegenTestGenerated extends AbstractIrBlackBoxCodegenTes
                     runTest("compiler/testData/codegen/box/reflection/call/inlineClasses/internalPrimaryValOfInlineClass.kt");
                 }
 
+                @Test
+                @TestMetadata("kt58887.kt")
+                public void testKt58887() throws Exception {
+                    runTest("compiler/testData/codegen/box/reflection/call/inlineClasses/kt58887.kt");
+                }
+
                 @Test
                 @TestMetadata("primaryValOfInlineClass.kt")
                 public void testPrimaryValOfInlineClass() throws Exception {

compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrBlackBoxCodegenWithIrInlinerTestGenerated.java

@@ -44311,6 +44311,12 @@ public class IrBlackBoxCodegenWithIrInlinerTestGenerated extends AbstractIrBlack
                     runTest("compiler/testData/codegen/box/reflection/call/inlineClasses/internalPrimaryValOfInlineClass.kt");
                 }
 
+                @Test
+                @TestMetadata("kt58887.kt")
+                public void testKt58887() throws Exception {
+                    runTest("compiler/testData/codegen/box/reflection/call/inlineClasses/kt58887.kt");
+                }
+
                 @Test
                 @TestMetadata("primaryValOfInlineClass.kt")
                 public void testPrimaryValOfInlineClass() throws Exception {

compiler/tests-gen/org/jetbrains/kotlin/codegen/LightAnalysisModeTestGenerated.java

@@ -35138,6 +35138,11 @@ public class LightAnalysisModeTestGenerated extends AbstractLightAnalysisModeTes
                     runTest("compiler/testData/codegen/box/reflection/call/inlineClasses/internalPrimaryValOfInlineClass.kt");
                 }
 
+                @TestMetadata("kt58887.kt")
+                public void testKt58887() throws Exception {
+                    runTest("compiler/testData/codegen/box/reflection/call/inlineClasses/kt58887.kt");
+                }
+
                 @TestMetadata("primaryValOfInlineClass.kt")
                 public void testPrimaryValOfInlineClass() throws Exception {
                     runTest("compiler/testData/codegen/box/reflection/call/inlineClasses/primaryValOfInlineClass.kt");

core/reflection.jvm/src/kotlin/reflect/jvm/internal/calls/ValueClassAwareCaller.kt

@@ -20,6 +20,7 @@ import org.jetbrains.kotlin.types.asSimpleType
 import java.lang.reflect.Member
 import java.lang.reflect.Method
 import java.lang.reflect.Type
+import kotlin.coroutines.intrinsics.COROUTINE_SUSPENDED
 import kotlin.reflect.jvm.internal.KDeclarationContainerImpl
 import kotlin.reflect.jvm.internal.KotlinReflectionInternalError
 import kotlin.reflect.jvm.internal.defaultPrimitiveValue
@@ -186,6 +187,7 @@ internal class ValueClassAwareCaller<out M : Member?>(
         }
 
         val result = caller.call(unboxedArguments)
+        if (result === COROUTINE_SUSPENDED) return result
 
         // box is not null only for inline classes
         return box?.invoke(null, result) ?: result