K2: add tests for KT-58579 and for KT-64090 reproduction

compiler/testData/codegen/box/javaInterop/javaTypeFromAnotherModuleWithRawTypedWildcardBound.kt

@@ -0,0 +1,25 @@
+// TARGET_BACKEND: JVM_IR
+// IGNORE_BACKEND_K2: JVM_IR
+// ISSUE: KT-64090
+
+// MODULE: lib
+// FILE: Invariant.java
+public class Invariant<T> {}
+
+// FILE: Generic.java
+public class Generic<T> {
+    public class Inner {}
+    public static Invariant<? extends Generic.Inner> foo() {
+        return null;
+    }
+}
+
+// MODULE: main(lib)
+// FILE: Main.kt
+fun box(): String {
+    val value = Generic.foo()
+    value.bar()
+    return "OK"
+}
+
+fun <T> T.bar() {}

compiler/testData/codegen/box/javaInterop/javaTypeFromSameModuleWithRawTypedWildcardBound.kt

@@ -0,0 +1,22 @@
+// TARGET_BACKEND: JVM_IR
+// ISSUE: KT-58579
+
+// FILE: Invariant.java
+public class Invariant<T> {}
+
+// FILE: Generic.java
+public class Generic<T> {
+    public class Inner {}
+    public static Invariant<? extends Generic.Inner> foo() {
+        return null;
+    }
+}
+
+// FILE: Main.kt
+fun box(): String {
+    val value = Generic.foo()
+    value.bar()
+    return "OK"
+}
+
+fun <T> T.bar() {}