Ignore @Nullable annotation for vararg parameter

See the comment in code for clarification

 #KT-19786 Fixed

compiler/testData/foreignAnnotationsJava8/tests/typeEnhancement/notNullVarargsOverrides.kt

@@ -0,0 +1,23 @@
+// JAVAC_EXPECTED_FILE
+// SKIP_COMPILED_JAVA
+// FILE: BaseClass.java
+import org.checkerframework.checker.nullness.qual.*;
+
+public class BaseClass {
+    public void loadCache(@NonNull Object... args) {}
+}
+
+// FILE: main.kt
+
+class A : BaseClass() {
+    // org.checkerframework.checker.nullness.qual.NonNull has @Target TYPE_USE, so it affects only elements type
+    <!NOTHING_TO_OVERRIDE!>override<!> fun loadCache(vararg args: Any?) {
+        super.loadCache(*<!TYPE_MISMATCH!>args<!>)
+    }
+}
+
+class B : BaseClass() {
+    override fun loadCache(vararg args: Any) {
+        super.loadCache(*args)
+    }
+}

compiler/testData/foreignAnnotationsJava8/tests/typeEnhancement/notNullVarargsOverrides.txt

@@ -0,0 +1,26 @@
+package
+
+public final class A : BaseClass {
+    public constructor A()
+    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 loadCache(/*0*/ @org.checkerframework.checker.nullness.qual.NonNull vararg args: @org.checkerframework.checker.nullness.qual.NonNull kotlin.Any /*kotlin.Array<(out) @org.checkerframework.checker.nullness.qual.NonNull kotlin.Any>*/): kotlin.Unit
+    public open fun loadCache(/*0*/ vararg args: kotlin.Any? /*kotlin.Array<out kotlin.Any?>*/): kotlin.Unit
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+public final class B : BaseClass {
+    public constructor B()
+    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*/ fun loadCache(/*0*/ vararg args: kotlin.Any /*kotlin.Array<out kotlin.Any>*/): kotlin.Unit
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+public open class BaseClass {
+    public constructor BaseClass()
+    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 fun loadCache(/*0*/ @org.checkerframework.checker.nullness.qual.NonNull vararg args: @org.checkerframework.checker.nullness.qual.NonNull kotlin.Any /*kotlin.Array<(out) @org.checkerframework.checker.nullness.qual.NonNull kotlin.Any>*/): kotlin.Unit
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}

compiler/testData/foreignAnnotationsJava8/tests/typeEnhancement/nullableVarargsOverrides.kt

@@ -0,0 +1,23 @@
+// JAVAC_EXPECTED_FILE
+// SKIP_COMPILED_JAVA
+// FILE: BaseClass.java
+import org.checkerframework.checker.nullness.qual.*;
+
+public class BaseClass {
+    public void loadCache(@Nullable Object... args) {}
+}
+
+// FILE: main.kt
+
+class A : BaseClass() {
+    override fun loadCache(vararg args: Any?) {
+        super.loadCache(*args)
+    }
+}
+
+class B : BaseClass() {
+    // org.checkerframework.checker.nullness.qual.Nullable has @Target TYPE_USE, so it affects only elements type
+    <!NOTHING_TO_OVERRIDE!>override<!> fun loadCache(vararg args: Any) {
+        super.loadCache(*args)
+    }
+}

compiler/testData/foreignAnnotationsJava8/tests/typeEnhancement/nullableVarargsOverrides.txt

@@ -0,0 +1,26 @@
+package
+
+public final class A : BaseClass {
+    public constructor A()
+    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*/ fun loadCache(/*0*/ vararg args: kotlin.Any? /*kotlin.Array<out kotlin.Any?>*/): kotlin.Unit
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+public final class B : BaseClass {
+    public constructor B()
+    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 loadCache(/*0*/ @org.checkerframework.checker.nullness.qual.Nullable vararg args: @org.checkerframework.checker.nullness.qual.Nullable kotlin.Any? /*kotlin.Array<(out) @org.checkerframework.checker.nullness.qual.Nullable kotlin.Any?>!*/): kotlin.Unit
+    public open fun loadCache(/*0*/ vararg args: kotlin.Any /*kotlin.Array<out kotlin.Any>*/): kotlin.Unit
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+public open class BaseClass {
+    public constructor BaseClass()
+    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 fun loadCache(/*0*/ @org.checkerframework.checker.nullness.qual.Nullable vararg args: @org.checkerframework.checker.nullness.qual.Nullable kotlin.Any? /*kotlin.Array<(out) @org.checkerframework.checker.nullness.qual.Nullable kotlin.Any?>!*/): kotlin.Unit
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}