LinearAlgebra/tridiag/elty = ComplexF64/tril/triu @test #= C:\buildkite-agent\builds\win2k22-amdci6-7\julialang\julia-master\julia-fa23f6e7e5\share\julia\stdlib\v1.13\LinearAlgebra\test\tridiag.jl:172 =# @inferred(triu!(copy(Tridiagonal(dl, d, du)), -1)) == Tridiagonal(dl, d, du)