[FIR-TEST] Add new testdata generated after changes in previous commit

compiler/testData/diagnostics/tests/generics/nullability/nullToGeneric.fir.kt

@@ -0,0 +1,35 @@
+// !DIAGNOSTICS: -UNUSED_PARAMETER,-UNUSED_VARIABLE
+
+fun <E> bar(x: E) {}
+
+fun <T> foo(): T {
+    val x1: T = null
+    val x2: T? = null
+
+    bar<T>(null)
+    bar<T?>(null)
+
+    return null
+}
+
+fun <T> baz(): T? = null
+
+fun <T> foobar(): T = null
+
+class A<F> {
+    fun xyz(x: F) {}
+
+    fun foo(): F {
+        val x1: F = null
+        val x2: F? = null
+
+        xyz(null)
+        bar<F?>(null)
+
+        return null
+    }
+
+    fun baz(): F? = null
+
+    fun foobar(): F = null
+}