Mine cart going up hill ignore's block that shoudl stop it. Same block stops mine cart on the downhill.
Reproduce:
Rail Block <-- this is the one that's ignored on uphill
Block Rail
block Block Rail
When going uphill, the cart will pass right through that top block, but coming back down, it stops as expected.
Related issues
duplicates
Comments

I feel as if the core issue here is MC-8004.

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We're tracking this issue in MC-8004, so this ticket is being resolved and linked as a duplicate.
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Related MC-8004