JVM: Generate object and companion object INSTANCE fields as @NotNull

compiler/testData/asJava/lightClasses/JvmStatic.java

@@ -1,4 +1,5 @@
 public final class A {
+    @org.jetbrains.annotations.NotNull
     public static final A.Companion Companion;
 
     public A() { /* compiled code */ }
@@ -7,6 +8,7 @@ public final class A {
     public static final void f() { /* compiled code */ }
 
     public static final class B {
+        @org.jetbrains.annotations.NotNull
         public static final A.B INSTANCE;
 
         @kotlin.jvm.JvmStatic

compiler/testData/asJava/lightClasses/NestedObjects.java

@@ -5,12 +5,14 @@ public final class A {
         public B() { /* compiled code */ }
 
         public static final class I {
+            @org.jetbrains.annotations.NotNull
             public static final A.B.I INSTANCE;
 
             private I() { /* compiled code */ }
         }
 
         public static final class II {
+            @org.jetbrains.annotations.NotNull
             public static final A.B.II INSTANCE;
 
             private II() { /* compiled code */ }
@@ -18,16 +20,19 @@ public final class A {
     }
 
     public static final class C {
+        @org.jetbrains.annotations.NotNull
         public static final A.C INSTANCE;
 
         private C() { /* compiled code */ }
 
         public static final class D {
+            @org.jetbrains.annotations.NotNull
             public static final A.C.D INSTANCE;
 
             private D() { /* compiled code */ }
 
             public static final class G {
+                @org.jetbrains.annotations.NotNull
                 public static final A.C.D.G INSTANCE;
 
                 private G() { /* compiled code */ }

compiler/testData/asJava/lightClasses/compilationErrors/TraitClassObjectField.java

@@ -1,4 +1,5 @@
 public interface TraitClassObjectField {
+    @org.jetbrains.annotations.NotNull
     TraitClassObjectField.Companion Companion;
     @org.jetbrains.annotations.Nullable
     java.lang.String x = "";

compiler/testData/asJava/lightClasses/compilationErrors/WrongAnnotations.java

@@ -1,4 +1,5 @@
 public final class A {
+    @org.jetbrains.annotations.NotNull
     public static final A.Companion Companion;
 
     public A() { /* compiled code */ }

compiler/testData/asJava/lightClasses/nullabilityAnnotations/ClassObjectField.java

@@ -2,6 +2,7 @@ public final class ClassObjectField {
     @org.jetbrains.annotations.Nullable
     private static final java.lang.String x;
     private static final java.lang.String y;
+    @org.jetbrains.annotations.NotNull
     public static final ClassObjectField.Companion Companion;
 
     public ClassObjectField() { /* compiled code */ }

compiler/testData/asJava/lightClasses/object/SimpleObject.java

@@ -5,6 +5,7 @@ public final class A {
     public static final int cc = 1;
     @org.jetbrains.annotations.NotNull
     public static final java.lang.String cv = "A";
+    @org.jetbrains.annotations.NotNull
     public static final pack.A INSTANCE;
 
     public final int getC() { /* compiled code */ }

compiler/testData/asJava/lightClasses/publicField/CompanionObject.java

@@ -2,6 +2,7 @@ public final class C {
     @kotlin.jvm.JvmField
     @org.jetbrains.annotations.NotNull
     public static final java.lang.String foo;
+    @org.jetbrains.annotations.NotNull
     public static final C.Companion Companion;
 
     public C() { /* compiled code */ }