[MC-93777] torches and chests spawn on air blocks

when using bonus chest torches and chests can spawn on-top of air blocks
it should be made that torches and chests can only spawn on solid blocks

Environment

window 7 64bit
java 8 update 66

Please provide seed and coordinates.

seed: 2605942658959731200
you should spawn in a pond chest and torches above you

Confirmed, but a "feature" of the world generator: MC-610