Basic support for overlay analysis #4315

Job	Run time
Diagnostic export (ubuntu-latest, linked)	1m 3s
Diagnostic export (macos-latest, nightly-latest)	1m 10s
Diagnostic export (macos-latest, linked)	1m 6s
Diagnostic export (windows-latest, nightly-latest)	2m 38s
Diagnostic export (ubuntu-latest, nightly-latest)	59s
Diagnostic export (windows-latest, linked)	2m 52s
	9m 48s

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