[Lang] [type] Refine SNode with quant 2/n: Enable struct for on bit_array with bit_vectorize off #5253
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Related issue = #4857
Previous implementation of struct for on
bit_array
assumesbit_vectorize
is on, and you cannot access a single element inside. However,bit_vectorize
is designed for 0/1 arrays, which is not suitable for normal cases. This PR turnsbit_vectorize
off by default, and supports reading/writing a single element inside struct for onbit_array
.Notes:
bit_vectorize == 1
means 1-bit vectorization, which is indeed saying thatbit_vectorize
is offlistgen
for thebit_array
SNode whenbit_vectorize
is off