push!!(SVector(0), 0.5) fails

[tkf]

julia> push!!(SVector(0), 0.5)
ERROR: InexactError: Int64(0.5)
Stacktrace:
 [1] Int64 at ./float.jl:709 [inlined]
 [2] convert at ./number.jl:7 [inlined]
 [3] macro expansion at /home/takafumi/.julia/packages/StaticArrays/3KEjZ/src/util.jl:11 [inlined]
 [4] convert_ntuple at /home/takafumi/.julia/packages/StaticArrays/3KEjZ/src/util.jl:8 [inlined]
 [5] SArray at /home/takafumi/.julia/packages/StaticArrays/3KEjZ/src/SArray.jl:28 [inlined]
 [6] macro expansion at /home/takafumi/.julia/packages/StaticArrays/3KEjZ/src/deque.jl:7 [inlined]
 [7] _push at /home/takafumi/.julia/packages/StaticArrays/3KEjZ/src/deque.jl:3 [inlined]
 [8] push at /home/takafumi/.julia/packages/StaticArrays/3KEjZ/src/deque.jl:1 [inlined]
 [9] push at /home/takafumi/.julia/dev/BangBang/src/NoBang/staticarrays.jl:1 [inlined]
 [10] may at /home/takafumi/.julia/dev/BangBang/src/core.jl:5 [inlined]
 [11] push!!(::SArray{Tuple{1},Int64,1,1}, ::Float64) at /home/takafumi/.julia/dev/BangBang/src/base.jl:29
 [12] top-level scope at REPL[19]:1