Minor, add regression test

#KT-42554

compiler/fir/fir2ir/tests/org/jetbrains/kotlin/codegen/ir/FirBlackBoxCodegenTestGenerated.java

@@ -6783,6 +6783,11 @@ public class FirBlackBoxCodegenTestGenerated extends AbstractFirBlackBoxCodegenT
             runTest("compiler/testData/codegen/box/coroutines/kt42028.kt");
         }
 
+        @TestMetadata("kt42554.kt")
+        public void testKt42554() throws Exception {
+            runTest("compiler/testData/codegen/box/coroutines/kt42554.kt");
+        }
+
         @TestMetadata("lastExpressionIsLoop.kt")
         public void testLastExpressionIsLoop_1_3() throws Exception {
             runTestWithPackageReplacement("compiler/testData/codegen/box/coroutines/lastExpressionIsLoop.kt", "kotlin.coroutines");

compiler/testData/codegen/box/coroutines/kt42554.kt

@@ -0,0 +1,21 @@
+// WITH_RUNTIME
+
+import kotlin.coroutines.*
+
+fun launch(block: suspend () -> String): String {
+    var result = ""
+    block.startCoroutine(Continuation(EmptyCoroutineContext) { result = it.getOrThrow() })
+    return result
+}
+
+enum class E { A }
+
+class C(val e: E) {
+    val result = launch {
+        when (e) {
+            E.A -> "OK"
+        }
+    }
+}
+
+fun box(): String = C(E.A).result

compiler/tests/org/jetbrains/kotlin/codegen/BlackBoxCodegenTestGenerated.java

@@ -7038,6 +7038,11 @@ public class BlackBoxCodegenTestGenerated extends AbstractBlackBoxCodegenTest {
             runTest("compiler/testData/codegen/box/coroutines/kt42028.kt");
         }
 
+        @TestMetadata("kt42554.kt")
+        public void testKt42554() throws Exception {
+            runTest("compiler/testData/codegen/box/coroutines/kt42554.kt");
+        }
+
         @TestMetadata("lastExpressionIsLoop.kt")
         public void testLastExpressionIsLoop_1_2() throws Exception {
             runTestWithPackageReplacement("compiler/testData/codegen/box/coroutines/lastExpressionIsLoop.kt", "kotlin.coroutines.experimental");

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

@@ -7038,6 +7038,11 @@ public class LightAnalysisModeTestGenerated extends AbstractLightAnalysisModeTes
             runTest("compiler/testData/codegen/box/coroutines/kt42028.kt");
         }
 
+        @TestMetadata("kt42554.kt")
+        public void testKt42554() throws Exception {
+            runTest("compiler/testData/codegen/box/coroutines/kt42554.kt");
+        }
+
         @TestMetadata("lastExpressionIsLoop.kt")
         public void testLastExpressionIsLoop_1_2() throws Exception {
             runTestWithPackageReplacement("compiler/testData/codegen/box/coroutines/lastExpressionIsLoop.kt", "kotlin.coroutines.experimental");

compiler/tests/org/jetbrains/kotlin/codegen/ir/IrBlackBoxCodegenTestGenerated.java

@@ -6783,6 +6783,11 @@ public class IrBlackBoxCodegenTestGenerated extends AbstractIrBlackBoxCodegenTes
             runTest("compiler/testData/codegen/box/coroutines/kt42028.kt");
         }
 
+        @TestMetadata("kt42554.kt")
+        public void testKt42554() throws Exception {
+            runTest("compiler/testData/codegen/box/coroutines/kt42554.kt");
+        }
+
         @TestMetadata("lastExpressionIsLoop.kt")
         public void testLastExpressionIsLoop_1_3() throws Exception {
             runTestWithPackageReplacement("compiler/testData/codegen/box/coroutines/lastExpressionIsLoop.kt", "kotlin.coroutines");

js/js.tests/test/org/jetbrains/kotlin/js/test/es6/semantics/IrJsCodegenBoxES6TestGenerated.java

@@ -5638,6 +5638,11 @@ public class IrJsCodegenBoxES6TestGenerated extends AbstractIrJsCodegenBoxES6Tes
             runTest("compiler/testData/codegen/box/coroutines/kt42028.kt");
         }
 
+        @TestMetadata("kt42554.kt")
+        public void testKt42554() throws Exception {
+            runTest("compiler/testData/codegen/box/coroutines/kt42554.kt");
+        }
+
         @TestMetadata("lastExpressionIsLoop.kt")
         public void testLastExpressionIsLoop_1_3() throws Exception {
             runTestWithPackageReplacement("compiler/testData/codegen/box/coroutines/lastExpressionIsLoop.kt", "kotlin.coroutines");

js/js.tests/test/org/jetbrains/kotlin/js/test/ir/semantics/IrJsCodegenBoxTestGenerated.java

@@ -5638,6 +5638,11 @@ public class IrJsCodegenBoxTestGenerated extends AbstractIrJsCodegenBoxTest {
             runTest("compiler/testData/codegen/box/coroutines/kt42028.kt");
         }
 
+        @TestMetadata("kt42554.kt")
+        public void testKt42554() throws Exception {
+            runTest("compiler/testData/codegen/box/coroutines/kt42554.kt");
+        }
+
         @TestMetadata("lastExpressionIsLoop.kt")
         public void testLastExpressionIsLoop_1_3() throws Exception {
             runTestWithPackageReplacement("compiler/testData/codegen/box/coroutines/lastExpressionIsLoop.kt", "kotlin.coroutines");

js/js.tests/test/org/jetbrains/kotlin/js/test/semantics/JsCodegenBoxTestGenerated.java

@@ -5638,6 +5638,11 @@ public class JsCodegenBoxTestGenerated extends AbstractJsCodegenBoxTest {
             runTest("compiler/testData/codegen/box/coroutines/kt42028.kt");
         }
 
+        @TestMetadata("kt42554.kt")
+        public void testKt42554() throws Exception {
+            runTest("compiler/testData/codegen/box/coroutines/kt42554.kt");
+        }
+
         @TestMetadata("lastExpressionIsLoop.kt")
         public void testLastExpressionIsLoop_1_3() throws Exception {
             runTestWithPackageReplacement("compiler/testData/codegen/box/coroutines/lastExpressionIsLoop.kt", "kotlin.coroutines");