Add test for obsolete issue

 The issue was fixed in df1595e4

 #KT-39630 Fixed

compiler/fir/analysis-tests/tests/org/jetbrains/kotlin/fir/FirOldFrontendDiagnosticsTestGenerated.java

@@ -13691,6 +13691,11 @@ public class FirOldFrontendDiagnosticsTestGenerated extends AbstractFirOldFronte
                 runTest("compiler/testData/diagnostics/tests/j+k/sam/kt37920.kt");
             }
 
+            @TestMetadata("kt39630.kt")
+            public void testKt39630() throws Exception {
+                runTest("compiler/testData/diagnostics/tests/j+k/sam/kt39630.kt");
+            }
+
             @TestMetadata("privateCandidatesWithWrongArguments.kt")
             public void testPrivateCandidatesWithWrongArguments() throws Exception {
                 runTest("compiler/testData/diagnostics/tests/j+k/sam/privateCandidatesWithWrongArguments.kt");

compiler/testData/diagnostics/tests/j+k/sam/kt39630.kt

+// FIR_IDENTICAL
+
+// FILE: A.java
+
+public class A<T> {
+    public void add(T x) {}
+    public static class B extends A<Runnable> {}
+}
+
+// FILE: test.kt
+
+fun test(x: A.B) {
+    x.add { }
+}
\ No newline at end of file

compiler/testData/diagnostics/tests/j+k/sam/kt39630.txt

+package
+
+public fun test(/*0*/ x: A.B): kotlin.Unit
+
+public open class A</*0*/ T : kotlin.Any!> {
+    public constructor A</*0*/ T : kotlin.Any!>()
+    public open fun add(/*0*/ x: T!): kotlin.Unit
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+
+    public open class B : A<java.lang.Runnable!> {
+        public constructor B()
+        public open override /*1*/ /*fake_override*/ fun add(/*0*/ x: java.lang.Runnable!): kotlin.Unit
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+}

compiler/tests/org/jetbrains/kotlin/checkers/DiagnosticsTestGenerated.java

@@ -13698,6 +13698,11 @@ public class DiagnosticsTestGenerated extends AbstractDiagnosticsTestWithFirVali
                     runTest("compiler/testData/diagnostics/tests/j+k/sam/kt37920.kt");
                 }
 
+                @TestMetadata("kt39630.kt")
+                public void testKt39630() throws Exception {
+                    runTest("compiler/testData/diagnostics/tests/j+k/sam/kt39630.kt");
+                }
+
                 @TestMetadata("privateCandidatesWithWrongArguments.kt")
                 public void testPrivateCandidatesWithWrongArguments() throws Exception {
                     runTest("compiler/testData/diagnostics/tests/j+k/sam/privateCandidatesWithWrongArguments.kt");

compiler/tests/org/jetbrains/kotlin/checkers/javac/DiagnosticsUsingJavacTestGenerated.java

@@ -13693,6 +13693,11 @@ public class DiagnosticsUsingJavacTestGenerated extends AbstractDiagnosticsUsing
                     runTest("compiler/testData/diagnostics/tests/j+k/sam/kt37920.kt");
                 }
 
+                @TestMetadata("kt39630.kt")
+                public void testKt39630() throws Exception {
+                    runTest("compiler/testData/diagnostics/tests/j+k/sam/kt39630.kt");
+                }
+
                 @TestMetadata("privateCandidatesWithWrongArguments.kt")
                 public void testPrivateCandidatesWithWrongArguments() throws Exception {
                     runTest("compiler/testData/diagnostics/tests/j+k/sam/privateCandidatesWithWrongArguments.kt");