ERROR: LoadError: BoundsError: attempt to access 0-element Array{Int64,1} at index [1]
Stacktrace:
 [1] setindex! at ./array.jl:766 [inlined]
 [2] f4(::Int64) at /dev/shm/benchmark/push_vs_direct.jl:53
 [3] top-level scope at /dev/shm/benchmark/push_vs_direct.jl:80
in expression starting at /dev/shm/benchmark/push_vs_direct.jl:80

function f4(n)
    x = Int[]
    sizehint!(x, n)
    for i in 1:n
        x[i] = i # <- 53 line
    end
    x
end

Julia Version 1.2.0
Commit c6da87ff4b (2019-08-20 00:03 UTC)
Platform Info:
  OS: Linux (x86_64-redhat-linux)
  CPU: Intel(R) Core(TM) i5-8265U CPU @ 1.60GHz
  WORD_SIZE: 64
  LIBM: libopenlibm
  LLVM: libLLVM-6.0.1 (ORCJIT, skylake)
  5.520 μs (2 allocations: 78.20 KiB)
  44.089 μs (14 allocations: 256.64 KiB)
  36.411 μs (2 allocations: 78.27 KiB)