no matter if there are other variables having that constant value, it's still constant

java/java-analysis-impl/src/com/intellij/codeInspection/dataFlow/DfaMemoryStateImpl.java

@@ -549,7 +549,7 @@ public class DfaMemoryStateImpl implements DfaMemoryState {
   public DfaConstValue getConstantValue(DfaVariableValue value) {
     DfaConstValue result = null;
     for (DfaValue equal : getEqClassesFor(value)) {
-      if (equal == value) continue;
+      if (equal instanceof DfaVariableValue) continue;
       DfaConstValue constValue = asConstantValue(equal);
       if (constValue == null) return null;
       result = constValue;

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

@@ -0,0 +1,18 @@
+public class Foo {
+  private final boolean field = hashCode() == 2;
+
+  public void main(boolean b) {
+    if (!b) {
+      System.out.println(<warning descr="Value 'b' is always 'false'">b</warning>);
+
+    }
+    if (field) {
+      System.out.println(b);
+    }
+    if (b) {
+      System.out.println(<warning descr="Value 'b' is always 'true'">b</warning>);
+    }
+  }
+
+}
+

java/java-tests/testSrc/com/intellij/codeInspection/DataFlowInspectionTest.java

@@ -147,12 +147,14 @@ public class DataFlowInspectionTest extends LightCodeInsightFixtureTestCase {
   }
 
   public void testReportConstantReferences() {
-    doTestReplaceConstantReferences();
+    doTestReportConstantReferences();
     myFixture.launchAction(myFixture.findSingleIntention("Replace with 'null'"));
     myFixture.checkResultByFile(getTestName(false) + "_after.java");
   }
 
-  private void doTestReplaceConstantReferences() {
+  public void testReportConstantReferencesAfterFinalFieldAccess() { doTestReportConstantReferences(); }
+
+  private void doTestReportConstantReferences() {
     DataFlowInspection inspection = new DataFlowInspection();
     inspection.SUGGEST_NULLABLE_ANNOTATIONS = true;
     myFixture.enableInspections(inspection);
@@ -160,27 +162,27 @@ public class DataFlowInspectionTest extends LightCodeInsightFixtureTestCase {
   }
 
   public void testReportConstantReferences_ReplaceWithString() {
-    doTestReplaceConstantReferences();
+    doTestReportConstantReferences();
     myFixture.launchAction(myFixture.findSingleIntention("Replace with 'CONST'"));
     myFixture.checkResultByFile(getTestName(false) + "_after.java");
   }
   public void testReportConstantReferences_ReplaceWithIntConstant() {
-    doTestReplaceConstantReferences();
+    doTestReportConstantReferences();
     myFixture.launchAction(myFixture.findSingleIntention("Replace with 'CONST'"));
     myFixture.checkResultByFile(getTestName(false) + "_after.java");
   }
   public void testReportConstantReferences_ReplaceWithEnum() {
     myFixture.addClass("package foo; public enum MyEnum { FOO }");
-    doTestReplaceConstantReferences();
+    doTestReportConstantReferences();
     myFixture.launchAction(myFixture.findSingleIntention("Replace with 'FOO'"));
     myFixture.checkResultByFile(getTestName(false) + "_after.java");
   }
   public void testReportConstantReferences_NotInComplexAssignment() {
     myFixture.addClass("package foo; public enum MyEnum { FOO }");
-    doTestReplaceConstantReferences();
+    doTestReportConstantReferences();
     assertEmpty(myFixture.filterAvailableIntentions("Replace with"));
   }
-  public void testReportConstantReferences_Switch() { doTestReplaceConstantReferences(); }
+  public void testReportConstantReferences_Switch() { doTestReportConstantReferences(); }
 
   public void testCheckFieldInitializers() {
     doTest();