[FIR] Ignore CFA-only edges in DFA even if they are dead

^KT-53920 Fixed

analysis/low-level-api-fir/tests/org/jetbrains/kotlin/analysis/low/level/api/fir/diagnostic/compiler/based/DiagnosisCompilerFirTestdataTestGenerated.java

@@ -1075,6 +1075,12 @@ public class DiagnosisCompilerFirTestdataTestGenerated extends AbstractDiagnosis
                 runTest("compiler/fir/analysis-tests/testData/resolve/cfg/annotatedLocalClass.kt");
             }
 
+            @Test
+            @TestMetadata("anonymousObjectInUnreachableCode.kt")
+            public void testAnonymousObjectInUnreachableCode() throws Exception {
+                runTest("compiler/fir/analysis-tests/testData/resolve/cfg/anonymousObjectInUnreachableCode.kt");
+            }
+
             @Test
             @TestMetadata("binaryOperations.kt")
             public void testBinaryOperations() throws Exception {