Commit 84edca03 authored by Guangda Lai's avatar Guangda Lai Committed by TensorFlower Gardener
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Fix a bug in BFCAllocator::Log2FloorNonZero() under non gnuc non windows mode,... 

Fix a bug in BFCAllocator::Log2FloorNonZero() under non gnuc non windows mode, where it returns the bit index of the most significant '1' bit, starting from 1, but the expected result should start from 0 (i.e. it should return floor(log2(n)) ).

PiperOrigin-RevId: 172522745
parent 110dfa89
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