Program: 8284
Project: 8284
Buggy source:
public static void growNearbyRandomly(boolean harvest,World world,double xCoord,double yCoord,double zCoord,EntityPlayer player){
  int chance=harvest ? 16 : 32;
  for (int x=(int)(xCoord - 5); x <= xCoord + 5; x++)   for (int y=(int)(yCoord - 3); y <= yCoord + 3; y++)   for (int z=(int)(zCoord - 5); z <= zCoord + 5; z++) {
    Block crop=world.getBlock(x,y,z);
    if (crop instanceof IShearable) {
      if (harvest) {
        if (player != null && PlayerHelper.hasBreakPermission(world,((EntityPlayerMP)player),x,y,z)) {
          world.func_147480_a(x,y,z,true);
        }
 else         if (player == null) {
          world.func_147480_a(x,y,z,true);
        }
      }
    }
 else     if (crop instanceof IGrowable) {
      IGrowable growable=(IGrowable)crop;
      if (harvest && !growable.func_149851_a(world,x,y,z,false)) {
        if (player != null && PlayerHelper.hasBreakPermission(world,((EntityPlayerMP)player),x,y,z)) {
          world.func_147480_a(x,y,z,true);
        }
 else         if (player == null) {
          world.func_147480_a(x,y,z,true);
        }
      }
 else       if (world.rand.nextInt(chance) == 0) {
        if (ProjectEConfig.harvBandGrass || !crop.getUnlocalizedName().toLowerCase().contains("String_Node_Str")) {
          growable.func_149853_b(world,world.rand,x,y,z);
        }
      }
    }
 else     if (crop instanceof IPlantable) {
      if (world.rand.nextInt(chance / 4) == 0) {
        for (int i=0; i < (harvest ? 8 : 4); i++) {
          crop.updateTick(world,x,y,z,world.rand);
        }
      }
      if (harvest) {
        if (crop instanceof BlockFlower) {
          if (player != null && PlayerHelper.hasBreakPermission(world,((EntityPlayerMP)player),x,y,z)) {
            world.func_147480_a(x,y,z,true);
          }
 else           if (player == null) {
            world.func_147480_a(x,y,z,true);
          }
        }
        if (crop == Blocks.reeds || crop == Blocks.cactus) {
          boolean shouldHarvest=true;
          for (int i=1; i < 3; i++) {
            if (world.getBlock(x,y + i,z) != crop) {
              shouldHarvest=false;
              break;
            }
          }
          if (shouldHarvest) {
            for (int i=crop == Blocks.reeds ? 1 : 0; i < 3; i++) {
              if (player != null && PlayerHelper.hasBreakPermission(world,((EntityPlayerMP)player),x,y,z)) {
                world.func_147480_a(x,y,z,true);
              }
 else               if (player == null) {
                world.func_147480_a(x,y,z,true);
              }
            }
          }
        }
        if (crop == Blocks.nether_wart) {
          int meta=((IPlantable)crop).getPlantMetadata(world,x,y,z);
          if (meta == 3) {
            if (player != null && PlayerHelper.hasBreakPermission(world,((EntityPlayerMP)player),x,y,z)) {
              world.func_147480_a(x,y,z,true);
            }
 else             if (player == null) {
              world.func_147480_a(x,y,z,true);
            }
          }
        }
      }
    }
  }
}

Fixed version (ground truth):
public static void growNearbyRandomly(boolean harvest,World world,double xCoord,double yCoord,double zCoord,EntityPlayer player){
  int chance=harvest ? 16 : 32;
  for (int x=(int)(xCoord - 5); x <= xCoord + 5; x++)   for (int y=(int)(yCoord - 3); y <= yCoord + 3; y++)   for (int z=(int)(zCoord - 5); z <= zCoord + 5; z++) {
    Block crop=world.getBlock(x,y,z);
    if (crop instanceof IShearable) {
      if (harvest) {
        if (player != null && PlayerHelper.hasBreakPermission(((EntityPlayerMP)player),x,y,z)) {
          world.func_147480_a(x,y,z,true);
        }
 else         if (player == null) {
          world.func_147480_a(x,y,z,true);
        }
      }
    }
 else     if (crop instanceof IGrowable) {
      IGrowable growable=(IGrowable)crop;
      if (harvest && !growable.func_149851_a(world,x,y,z,false)) {
        if (player != null && PlayerHelper.hasBreakPermission(((EntityPlayerMP)player),x,y,z)) {
          world.func_147480_a(x,y,z,true);
        }
 else         if (player == null) {
          world.func_147480_a(x,y,z,true);
        }
      }
 else       if (world.rand.nextInt(chance) == 0) {
        if (ProjectEConfig.harvBandGrass || !crop.getUnlocalizedName().toLowerCase().contains("String_Node_Str")) {
          growable.func_149853_b(world,world.rand,x,y,z);
        }
      }
    }
 else     if (crop instanceof IPlantable) {
      if (world.rand.nextInt(chance / 4) == 0) {
        for (int i=0; i < (harvest ? 8 : 4); i++) {
          crop.updateTick(world,x,y,z,world.rand);
        }
      }
      if (harvest) {
        if (crop instanceof BlockFlower) {
          if (player != null && PlayerHelper.hasBreakPermission(((EntityPlayerMP)player),x,y,z)) {
            world.func_147480_a(x,y,z,true);
          }
 else           if (player == null) {
            world.func_147480_a(x,y,z,true);
          }
        }
        if (crop == Blocks.reeds || crop == Blocks.cactus) {
          boolean shouldHarvest=true;
          for (int i=1; i < 3; i++) {
            if (world.getBlock(x,y + i,z) != crop) {
              shouldHarvest=false;
              break;
            }
          }
          if (shouldHarvest) {
            for (int i=crop == Blocks.reeds ? 1 : 0; i < 3; i++) {
              if (player != null && PlayerHelper.hasBreakPermission(((EntityPlayerMP)player),x,y,z)) {
                world.func_147480_a(x,y,z,true);
              }
 else               if (player == null) {
                world.func_147480_a(x,y,z,true);
              }
            }
          }
        }
        if (crop == Blocks.nether_wart) {
          int meta=((IPlantable)crop).getPlantMetadata(world,x,y,z);
          if (meta == 3) {
            if (player != null && PlayerHelper.hasBreakPermission(((EntityPlayerMP)player),x,y,z)) {
              world.func_147480_a(x,y,z,true);
            }
 else             if (player == null) {
              world.func_147480_a(x,y,z,true);
            }
          }
        }
      }
    }
  }
}