ldiv! in-place solution for SVD is not the same as the one emitted by `ldiv!(y fact::SVD, b) --> y` in `1.6.4`

[vpuri3]

julia> VERSION
v"1.6.4"

julia> using LinearAlgebra

julia> n=8; A=rand(n,n); u=rand(n); b=A*u; v=zero(u); F=svd(A); ldiv!(v,F,b) ≈ u, v ≈ u
(true, false)

julia> using LinearAlgebra

julia> VERSION
v"1.7.0"

julia> n=8; A=rand(n,n); u=rand(n); b=A*u; v=zero(u); F=svd(A); ldiv!(v,F,b) ≈ u, v ≈ u
(true, true)

[N5N3]

See #853, the related PRs, JuliaLang/julia#40899 and JuliaLang/julia#41083, were not backported to 1.6.
Edit: Looks like we thought we have backported JuliaLang/julia#41083 to 1.6.2, but I can't find the related modification in JuliaLang/julia#40702's Files changed @KristofferC).