@ -115,6 +115,7 @@ public final class InsnNodeUtils {
public static boolean hasSideEffects(AbstractInsnNode insn) {
var opcode = insn.getOpcode();
switch (opcode) {
case -1:
case Opcodes.NOP:
case Opcodes.ACONST_NULL:
case Opcodes.ICONST_M1:
@ -32,6 +32,7 @@ public final class StackMetadata {
public static StackMetadata get(AbstractInsnNode insn) {
return NONE;