Not sure if this is right, but two different ins ctxs were popping this, but the same instruction, so I made it compare instructions

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

@@ -322,9 +322,17 @@ public class MultiplicationDeobfuscator implements Deobfuscator
 				return false;
 			}
 
+			Instruction poppedIns = null;
 			for (StackContext s : i.getPushes())
-				if (s.getPopped().size() > 1)
+				for (InstructionContext i2 : s.getPopped())
-					return false;
+				{
+					if (poppedIns == null)
+						poppedIns = i2.getInstruction();
+					else if (poppedIns != i2.getInstruction())
+						return false;
+				}
+				//if (s.getPopped().size() > 1)
+				//	return false;
 		}
 		return true;
 	}

src/test/java/net/runelite/deob/deobfuscators/arithmetic/MultiplicationDeobfuscatorTest.java

@@ -466,7 +466,7 @@ public class MultiplicationDeobfuscatorTest
 		Assert.assertEquals(1, constant3.getConstantAsInt());
 	}
 	
-	//@Test
+	@Test
 	public void test8()
 	{
 		ClassGroup group = ClassGroupFactory.generateGroup();
@@ -493,9 +493,9 @@ public class MultiplicationDeobfuscatorTest
 		    label3 = new NOP(ins);
 		
 		Instruction body[] = {
-			new GetStatic(ins, field.getPoolField()),
+			//new GetStatic(ins, field.getPoolField()),
 			constant1,
-			new IMul(ins),
+			//new IMul(ins),
 			constant2,
 			new IMul(ins),
 			
@@ -515,6 +515,7 @@ public class MultiplicationDeobfuscatorTest
 			
 			label3,
 			new InvokeStatic(ins, group.findClass("test").findMethod("func2").getPoolMethod()),
+			//new Pop(ins), new Pop(ins), new Pop(ins),
 			
 			new VReturn(ins)
 		};