95e523f943c60d93ba2a384a7f2acb502f69a671,src/main/java/net/minecraftforge/items/ItemHandlerHelper.java,ItemHandlerHelper,canItemStacksStack,#ItemStack#ItemStack#,56

Before Change


        if (a.func_190926_b() || !a.isItemEqual(b))
            return false;

        final NBTTagCompound aTag = a.getTagCompound();
        final NBTTagCompound bTag = b.getTagCompound();
        return (aTag != null || bTag == null) && (aTag == null || aTag.equals(bTag));
    }

    /**

After Change



    public static boolean canItemStacksStack(@Nonnull ItemStack a, @Nonnull ItemStack b)
    {
        if (a.func_190926_b() || !a.isItemEqual(b) || a.hasTagCompound() != b.hasTagCompound())
            return false;

        return (!a.hasTagCompound() || a.getTagCompound().equals(b.getTagCompound())) && a.areCapsCompatible(b);
    }

    /**