More tests/fixes I dont know if this is right

src/main/java/net/runelite/deob/attributes/code/instructions/IConst_M1.java

@@ -49,4 +49,10 @@ public class IConst_M1 extends Instruction implements PushConstantInstruction
 	{
 		return new LDC_W(this.getInstructions(), entry);
 	}
+	
+	@Override
+	public Instruction makeGeneric()
+	{
+		return new LDC_W(this.getInstructions(), getConstant());
+	}
 }

src/main/java/net/runelite/deob/deobfuscators/arithmetic/ModArith.java

@@ -310,16 +310,16 @@ public class ModArith implements Deobfuscator
 	public void run(ClassGroup group)
 	{
 		this.group = group;
-		runOnce();
-		if (true) return;
-		
-		int passes = 0, total = 0, i;
-		while ((i = runOnce()) > 0)
-		{
-			++passes;
-			total += i;
-		}
-		System.out.println("Finished arith deob on " + total + " fields in " + passes + " passes");
+		//return runOnce();
+//		if (true) return;
+//		
+//		int passes = 0, total = 0, i;
+//		while ((i = runOnce()) > 0)
+//		{
+//			++passes;
+//			total += i;
+//		}
+//		System.out.println("Finished arith deob on " + total + " fields in " + passes + " passes");
 	}
 //	
 //	private void translateSetFields(Execution e)
@@ -395,7 +395,7 @@ public class ModArith implements Deobfuscator
 			}
 	}
 	
-	private int runOnce()
+	public int runOnce()
 	{
 		group.buildClassGraph();
 		

src/main/java/net/runelite/deob/deobfuscators/arithmetic/MultiplicationDeobfuscator.java

@@ -107,8 +107,7 @@ public class MultiplicationDeobfuscator implements Deobfuscator
 			{
 				if (i.getInstruction() instanceof PushConstantInstruction)
 				{
-					if (i.getInstruction() instanceof BiPush || i.getInstruction() instanceof SiPush
-						|| i.getInstruction() instanceof IConst_M1)
+					if (i.getInstruction() instanceof BiPush || i.getInstruction() instanceof SiPush)
 						throw new IllegalStateException();
 					
 					// a constant of imul
@@ -194,7 +193,7 @@ public class MultiplicationDeobfuscator implements Deobfuscator
 						else
 						{
 							System.out.println("dup ins " + otherCtxI.getInstruction());
-							throw new IllegalStateException();
+							//throw new IllegalStateException();
 						}
 					}
 				}