Large functions in 5.1 luas fail to decompile

[Tcd729ABA]

large functions in 5.1 luas give a decompile error and fail to decompile.
Example:
function updateGame(r0_195, r1_195)
-- line: [6556, 7444] id: 195
-- error: decompile function#195: generate_assignment(0)

-- Caused by:
-- 0: generate_assignment(2)
-- 1: generate_assignment(5)
-- 2: generate_assignment(16)
-- 3: generate_assignment(20)
-- 4: generate_assignment(27)
-- 5: generate_assignment(30)
-- 6: generate_assignment(40)
-- 7: generate_assignment(50)
-- 8: generate_assignment(57)
-- 9: generate_assignment(63)
-- 10: generate_assignment(74)
-- 11: generate_assignment(76)
-- 12: generate_assignment(79)
-- 13: generate_assignment(81)
-- 14: generate_assignment(82)
-- 15: generate_assignment(85)
-- 16: generate_assignment(89)
-- 17: generate_assignment(104)
-- 18: generate_assignment(108)
-- 19: generate_assignment(110)
-- 20: generate_assignment(124)
-- 21: generate_assignment(136)
-- 22: generate_assignment(144)
-- 23: generate_assignment(146)
-- 24: generate_assignment(151)
-- 25: generate_assignment(162)
-- 26: generate_assignment(167)
-- 27: generate_assignment(182)
-- 28: generate_assignment(187)
-- 29: generate_assignment(208)
-- 30: generate_assignment(255)
-- 31: generate_assignment(267)
-- 32: generate_assignment(272)
-- 33: generate_assignment(273)
-- 34: generate_assignment(274)
-- 35: generate_assignment(285)
-- 36: generate_assignment(286)
-- 37: generate_assignment(287)
-- 38: generate_assignment(289)
-- 39: generate_assignment(303)
-- 40: generate_assignment(304)
-- 41: generate_assignment(305)
-- 42: generate_assignment(306)
-- 43: generate_assignment(307)
-- 44: Condition failed: b1.1 == !b2.1 (true vs false)
end