mir-opt tests generate an excessive amount of output #109502
Description
There are 237 mir-opt tests right now.
Running them on my machine produces over 69 thousand files, using over 400 MB of disk (⅓ of which is filesystem overhead):
Could that be cut back somewhat? Windows is not a fan of lots of files -- even just deleting all those files takes over 13 seconds, despite being on a fast M2 PCI-e SSD.
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Area: Makes things more difficult for new or seasoned contributors to RustArea: MIR optimizationsArea: The testsuite used to check the correctness of rustcCall for participation: Help is requested to fix this issue.Call for participation: Medium difficulty. Experience needed to fix: Intermediate.Call for participation: This issue has a mentor. Use #t-compiler/help on Zulip for discussion.Relevant to the compiler team, which will review and decide on the PR/issue.