fix: ignore not generated insns in CodeShrinker visitor (PR #560)

jadx-core/src/main/java/jadx/core/dex/nodes/InsnNode.java

@@ -6,10 +6,12 @@ import java.util.Collections;
 import java.util.List;
 import java.util.Objects;
 
+import org.jetbrains.annotations.Nullable;
+
 import com.android.dx.io.instructions.DecodedInstruction;
 import com.rits.cloning.Cloner;
-import org.jetbrains.annotations.Nullable;
 
+import jadx.core.dex.attributes.AFlag;
 import jadx.core.dex.attributes.nodes.LineAttrNode;
 import jadx.core.dex.instructions.InsnType;
 import jadx.core.dex.instructions.args.ArgType;
@@ -195,6 +197,12 @@ public class InsnNode extends LineAttrNode {
 	}
 
 	public boolean canReorder() {
+		if (contains(AFlag.DONT_GENERATE)) {
+			if (getType() == InsnType.MONITOR_EXIT) {
+				return false;
+			}
+			return true;
+		}
 		switch (getType()) {
 			case CONST:
 			case CONST_STR:

jadx-core/src/test/java/jadx/tests/integration/trycatch/TestFinally2.java

@@ -6,7 +6,6 @@ import java.io.InputStream;
 
 import org.junit.jupiter.api.Test;
 
-import jadx.NotYetImplemented;
 import jadx.core.dex.nodes.ClassNode;
 import jadx.tests.api.IntegrationTest;
 
@@ -59,14 +58,7 @@ public class TestFinally2 extends IntegrationTest {
 		String code = cls.getCode().toString();
 
 		assertThat(code, containsOne("decode(inputStream);"));
-	}
-
-	@Test
-	@NotYetImplemented
-	public void test2() {
-		ClassNode cls = getClassNode(TestCls.class);
-		String code = cls.getCode().toString();
-
+		assertThat(code, containsOne("return new Result(400);"));
 		assertThat(code, not(containsOne("result =")));
 	}
 }