Certain blocks don't appear in boats

The bug

If you place down a sign and run a boat into the sign, the sign won't render when it's inside the boat.

Affected blocks:

1. Frosted ice
2. Ice
3. Slime block
4. Stained glass
5. Tinted glass
6. Nether portals
7. Stained glass panes
8. Honey block

Untested blocks which may be affected:

1. Tripwire

How to reproduce

1. Place down a boat
2. Use setblock or pistons to put an ice block into the middle of the boat
3. Observe that the part of the ice block that is inside the boat fails to render

Fixed cases

The following blocks were previously affected by this bug, but no longer are; these cases are preserved here.

1. Banner
2. Bed
3. Chest
4. Conduit
5. Ender chest
6. Head
7. Shulker box
8. Signs
9. Trapped chest