Minor. Add regression test for KT-15930

#KT-15930: Obsolete

compiler/testData/codegen/box/coroutines/kt15930.kt

@@ -0,0 +1,32 @@
+// WITH_RUNTIME
+// WITH_COROUTINES
+
+import helpers.*
+import kotlin.coroutines.experimental.intrinsics.*
+import kotlin.coroutines.experimental.*
+
+class A {
+    var isMinusAssignCalled = false
+    operator suspend fun minusAssign(y: String): Unit = suspendCoroutineOrReturn { x ->
+        if (y != "56") return@suspendCoroutineOrReturn Unit
+        isMinusAssignCalled = true
+        x.resume(Unit)
+        COROUTINE_SUSPENDED
+    }
+}
+
+val a = A()
+
+suspend fun foo5() {
+    a -= "56"
+    if (!a.isMinusAssignCalled) throw RuntimeException("fail 6")
+}
+
+fun builder(c: suspend () -> Unit) {
+    c.startCoroutine(EmptyContinuation)
+}
+
+fun box(): String {
+    builder{ foo5() }
+    return "OK"
+}

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

@@ -5895,6 +5895,12 @@ public class IrBlackBoxCodegenTestGenerated extends AbstractIrBlackBoxCodegenTes
             doTest(fileName);
         }
 
+        @TestMetadata("kt15930.kt")
+        public void testKt15930() throws Exception {
+            String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/coroutines/kt15930.kt");
+            doTest(fileName);
+        }
+
         @TestMetadata("lastExpressionIsLoop.kt")
         public void testLastExpressionIsLoop() throws Exception {
             String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/coroutines/lastExpressionIsLoop.kt");

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

@@ -5895,6 +5895,12 @@ public class BlackBoxCodegenTestGenerated extends AbstractBlackBoxCodegenTest {
             doTest(fileName);
         }
 
+        @TestMetadata("kt15930.kt")
+        public void testKt15930() throws Exception {
+            String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/coroutines/kt15930.kt");
+            doTest(fileName);
+        }
+
         @TestMetadata("lastExpressionIsLoop.kt")
         public void testLastExpressionIsLoop() throws Exception {
             String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/coroutines/lastExpressionIsLoop.kt");

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

@@ -5895,6 +5895,12 @@ public class LightAnalysisModeTestGenerated extends AbstractLightAnalysisModeTes
             doTest(fileName);
         }
 
+        @TestMetadata("kt15930.kt")
+        public void testKt15930() throws Exception {
+            String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/coroutines/kt15930.kt");
+            doTest(fileName);
+        }
+
         @TestMetadata("lastExpressionIsLoop.kt")
         public void testLastExpressionIsLoop() throws Exception {
             String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/coroutines/lastExpressionIsLoop.kt");

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

@@ -6501,6 +6501,12 @@ public class JsCodegenBoxTestGenerated extends AbstractJsCodegenBoxTest {
             doTest(fileName);
         }
 
+        @TestMetadata("kt15930.kt")
+        public void testKt15930() throws Exception {
+            String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/coroutines/kt15930.kt");
+            doTest(fileName);
+        }
+
         @TestMetadata("lastExpressionIsLoop.kt")
         public void testLastExpressionIsLoop() throws Exception {
             String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/coroutines/lastExpressionIsLoop.kt");