Fix parent and containingFile for throws-reference list

Otherwise, exception is thrown during type inference
because default implementations effectively return null

^KT-29287 Fixed

compiler/light-classes/src/org/jetbrains/kotlin/asJava/classes/ultraLightMethod.kt

@@ -56,7 +56,11 @@ internal abstract class KtUltraLightMethod(
     abstract override fun buildTypeParameterList(): PsiTypeParameterList
 
     private val _throwsList: PsiReferenceList by lazyPub {
-        val list = KotlinLightReferenceListBuilder(manager, language, PsiReferenceList.Role.THROWS_LIST)
+        val list =
+            object : KotlinLightReferenceListBuilder(manager, language, PsiReferenceList.Role.THROWS_LIST) {
+                override fun getParent() = this@KtUltraLightMethod
+                override fun getContainingFile() = this@KtUltraLightMethod.containingFile
+            }
         computeDescriptor()?.let {
             for (ex in FunctionCodegen.getThrownExceptions(it)) {
                 val psiClassType = ex.defaultType.asPsiType(support, TypeMappingMode.DEFAULT, list) as? PsiClassType ?: continue

idea/testData/kotlinAndJavaChecker/javaAgainstKotlin/ThrowsOnGenericMethod.java

@@ -0,0 +1,8 @@
+package test;
+import foo.A;
+
+public class ThrowsOnGenericMethod {
+    public static void main(String[] args) {
+        new A().<error descr="Unhandled exception: java.io.IOException">foo</error>("");
+    }
+}

idea/testData/kotlinAndJavaChecker/javaAgainstKotlin/ThrowsOnGenericMethod.kt

@@ -0,0 +1,9 @@
+package foo;
+import java.io.IOException
+
+class A {
+    @Throws(IOException::class)
+    fun <E> foo(y: E) {}
+}
+
+// ALLOW_AST_ACCESS

idea/testData/kotlinAndJavaChecker/javaAgainstKotlin/ThrowsOnGenericMethod.txt

@@ -0,0 +1 @@
+// WITH_RUNTIME

idea/tests/org/jetbrains/kotlin/checkers/JavaAgainstKotlinBinariesCheckerTestGenerated.java

@@ -139,6 +139,11 @@ public class JavaAgainstKotlinBinariesCheckerTestGenerated extends AbstractJavaA
         runTest("idea/testData/kotlinAndJavaChecker/javaAgainstKotlin/ReturnInnerClasses.kt");
     }
 
+    @TestMetadata("ThrowsOnGenericMethod.kt")
+    public void testThrowsOnGenericMethod() throws Exception {
+        runTest("idea/testData/kotlinAndJavaChecker/javaAgainstKotlin/ThrowsOnGenericMethod.kt");
+    }
+
     @TestMetadata("TopLevelFunctionInDataFlowInspection.kt")
     public void testTopLevelFunctionInDataFlowInspection() throws Exception {
         runTest("idea/testData/kotlinAndJavaChecker/javaAgainstKotlin/TopLevelFunctionInDataFlowInspection.kt");

idea/tests/org/jetbrains/kotlin/checkers/JavaAgainstKotlinSourceCheckerTestGenerated.java

@@ -141,6 +141,11 @@ public class JavaAgainstKotlinSourceCheckerTestGenerated extends AbstractJavaAga
             runTest("idea/testData/kotlinAndJavaChecker/javaAgainstKotlin/ReturnInnerClasses.kt");
         }
 
+        @TestMetadata("ThrowsOnGenericMethod.kt")
+        public void testThrowsOnGenericMethod() throws Exception {
+            runTest("idea/testData/kotlinAndJavaChecker/javaAgainstKotlin/ThrowsOnGenericMethod.kt");
+        }
+
         @TestMetadata("TopLevelFunctionInDataFlowInspection.kt")
         public void testTopLevelFunctionInDataFlowInspection() throws Exception {
             runTest("idea/testData/kotlinAndJavaChecker/javaAgainstKotlin/TopLevelFunctionInDataFlowInspection.kt");

idea/tests/org/jetbrains/kotlin/checkers/JavaAgainstKotlinSourceCheckerWithUltraLightTestGenerated.java

@@ -141,6 +141,11 @@ public class JavaAgainstKotlinSourceCheckerWithUltraLightTestGenerated extends A
             runTest("idea/testData/kotlinAndJavaChecker/javaAgainstKotlin/ReturnInnerClasses.kt");
         }
 
+        @TestMetadata("ThrowsOnGenericMethod.kt")
+        public void testThrowsOnGenericMethod() throws Exception {
+            runTest("idea/testData/kotlinAndJavaChecker/javaAgainstKotlin/ThrowsOnGenericMethod.kt");
+        }
+
         @TestMetadata("TopLevelFunctionInDataFlowInspection.kt")
         public void testTopLevelFunctionInDataFlowInspection() throws Exception {
             runTest("idea/testData/kotlinAndJavaChecker/javaAgainstKotlin/TopLevelFunctionInDataFlowInspection.kt");