IDEA-177499 ClassCastException in data flow inspection

java/java-analysis-impl/src/com/intellij/codeInspection/dataFlow/value/DfaExpressionFactory.java

@@ -136,7 +136,7 @@ public class DfaExpressionFactory {
       }
 
       if (DfaValueFactory.isEffectivelyUnqualified(refExpr) || isStaticFinalConstantWithoutInitializationHacks(var)) {
-        if (isFieldDereferenceBeforeInitialization(refExpr)) {
+        if (isFieldDereferenceBeforeInitialization(refExpr) && !(refExpr.getType() instanceof PsiPrimitiveType)) {
           return myFactory.getConstFactory().getNull();
         }
 

java/java-tests/testData/inspection/dataFlow/fixture/IgnoreNullabilityOnPrimitiveCast.java

@@ -4,4 +4,13 @@ class IgnoreNullabilityOnPrimitiveCast {
   private static int map(@Nullable int[] mapping, int idx) {
     return <warning descr="Array access 'mapping[idx]' may produce 'java.lang.NullPointerException'">mapping[idx]</warning>;
   }
+
+  static final int TEST;
+
+  static {
+    TEST = 4;
+  }
+
+  final int[] arr = {TEST};
+  final int val = TEST;
 }