[FIR] Fix the inability to retrieve an annotation argument

Fix an issue where an inherited @JsName from
another module was not accessible in a child class.

The issue can only be reproduced in the codegen box tests
and cannot be reproduced in the FIR FE checker tests.

compiler/fir/checkers/src/org/jetbrains/kotlin/fir/analysis/checkers/FirHelpers.kt

@@ -777,7 +777,7 @@ fun FirDeclaration.hasAnnotationOrInsideAnnotatedClass(classId: ClassId, session
     symbol.hasAnnotationOrInsideAnnotatedClass(classId, session)
 
 fun FirBasedSymbol<*>.getAnnotationFirstArgument(classId: ClassId, session: FirSession): FirExpression? {
-    val annotation = getAnnotationByClassId(classId, session) as? FirAnnotationCall
+    val annotation = getAnnotationByClassId(classId, session)
     return annotation?.argumentMapping?.mapping?.values?.firstOrNull()
 }
 

js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/fir/FirJsBoxTestGenerated.java

@@ -5142,6 +5142,12 @@ public class FirJsBoxTestGenerated extends AbstractFirJsBoxTest {
             runTest("js/js.translator/testData/box/inheritance/childPrototype.kt");
         }
 
+        @Test
+        @TestMetadata("classInheritsJsNameFromOtherModule.kt")
+        public void testClassInheritsJsNameFromOtherModule() throws Exception {
+            runTest("js/js.translator/testData/box/inheritance/classInheritsJsNameFromOtherModule.kt");
+        }
+
         @Test
         @TestMetadata("complexInitializationOrder.kt")
         public void testComplexInitializationOrder() throws Exception {

js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/fir/FirJsES6BoxTestGenerated.java

@@ -5248,6 +5248,12 @@ public class FirJsES6BoxTestGenerated extends AbstractFirJsES6BoxTest {
             runTest("js/js.translator/testData/box/inheritance/childPrototype.kt");
         }
 
+        @Test
+        @TestMetadata("classInheritsJsNameFromOtherModule.kt")
+        public void testClassInheritsJsNameFromOtherModule() throws Exception {
+            runTest("js/js.translator/testData/box/inheritance/classInheritsJsNameFromOtherModule.kt");
+        }
+
         @Test
         @TestMetadata("complexInitializationOrder.kt")
         public void testComplexInitializationOrder() throws Exception {

js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/ir/IrBoxJsES6TestGenerated.java

@@ -5248,6 +5248,12 @@ public class IrBoxJsES6TestGenerated extends AbstractIrBoxJsES6Test {
             runTest("js/js.translator/testData/box/inheritance/childPrototype.kt");
         }
 
+        @Test
+        @TestMetadata("classInheritsJsNameFromOtherModule.kt")
+        public void testClassInheritsJsNameFromOtherModule() throws Exception {
+            runTest("js/js.translator/testData/box/inheritance/classInheritsJsNameFromOtherModule.kt");
+        }
+
         @Test
         @TestMetadata("complexInitializationOrder.kt")
         public void testComplexInitializationOrder() throws Exception {

js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/ir/IrBoxJsTestGenerated.java

@@ -5142,6 +5142,12 @@ public class IrBoxJsTestGenerated extends AbstractIrBoxJsTest {
             runTest("js/js.translator/testData/box/inheritance/childPrototype.kt");
         }
 
+        @Test
+        @TestMetadata("classInheritsJsNameFromOtherModule.kt")
+        public void testClassInheritsJsNameFromOtherModule() throws Exception {
+            runTest("js/js.translator/testData/box/inheritance/classInheritsJsNameFromOtherModule.kt");
+        }
+
         @Test
         @TestMetadata("complexInitializationOrder.kt")
         public void testComplexInitializationOrder() throws Exception {

js/js.translator/testData/box/inheritance/classInheritsJsNameFromOtherModule.kt

@@ -0,0 +1,20 @@
+// MODULE: lib
+// FILE: TestDemo1.kt
+package TestDemo1
+
+abstract class Class {
+    open val ok = "OK"
+
+    @JsName("okFun")
+    fun ok() = ok
+}
+
+// FILE: TestDemo2.kt
+// MODULE: main(lib)
+package TestDemo2
+
+import TestDemo1.Class
+
+class MyClass : Class()
+
+fun box() = MyClass().ok()