Rollup of 5 pull requests#90860

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matthiaskrgr wants to merge 11 commits intorust-lang:masterfrom

matthiaskrgr:rollup-ghzsxxa

Commits on Nov 4, 2021

Group commandline tests in a directory
vandenheuvel
committed

Commits on Nov 7, 2021

Improve diagnostics when a static lifetime is expected
rukai
committed

Commits on Nov 10, 2021

Fix trait object error code
asterycs
committed

Commits on Nov 11, 2021

normalize argument b in equate_normalized_inputs_output
b-naber
committed

Commits on Nov 12, 2021

Remove unneeded FIXME: after testing the suggested changes, we reached the conclusion that the code readibility wasn't worth the almost unnoticeable perf improvement
GuillaumeGomez
committed
add tests
b-naber
committed