Fix doctest

[ViralBShah]

Fix doctest seen in:

https://buildkite.com/julialang/julia-master/builds/44616#0194f191-ee57-4a81-ab55-0192700d1df9

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.86%. Comparing base (2a1696a) to head (3be64cf).

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1199   +/-   ##
=======================================
  Coverage   91.86%   91.86%           
=======================================
  Files          34       34           
  Lines       15365    15365           
=======================================
  Hits        14115    14115           
  Misses       1250     1250           

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[KristofferC]

This doesn't look right, or? Maybe

Suggested change

	3×3 LowerTriangular{Float64, {Matrix{Float64}}:
	3×3 LowerTriangular{Float64, Matrix{Float64}}:

[dkarrasch]

There must be a mismatch between used code and tests in the failing doctest. This has been changed deliberately lately IIRC.

[KristofferC]

My guess is that the docs don't run with the custom sysimage and are in fact testing the bundled LinearAlgebra. Could that be correct?

[ViralBShah]

Can someone look at https://buildkite.com/julialang/julia-master/builds/44616#0194f191-ee57-4a81-ab55-0192700d1df9/823-1641?

I don't see why Adjoint is in the output for LowerTriangular in the CI, both before and after:

2025-02-10 16:13:20 EST | │   diff =
-- | --
  | 2025-02-10 16:13:20 EST | │    3×3 LowerTriangular{Float64, Adjoint{Matrix{Float64}}}:
  | 2025-02-10 16:13:20 EST | │      Adjoint{Float64, Matrix{Float64}}}:
  | 2025-02-10 16:13:20 EST | │      2.0   ⋅    ⋅
  | 2025-02-10 16:13:20 EST | │      6.0  1.0   ⋅
  | 2025-02-10 16:13:20 EST | │     -8.0  5.0  3.0

None of this got caught in the CI in this repo - and at least in my local build on master it seems to do what I expect, which is what the PR does (modulo manual editing and messing up - and wondering why CI passed):

[dkarrasch]

#1186