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leanprover / lean4 Public

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Update stage0

feat: improve error message in the case of type class synthesis failu… #6402

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feat: improve error message in the case of type class synthesis failu…

feat: improve error message in the case of type class synthesis failu… #6402

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Summary
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- update-stage0
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- Usage
- Workflow file

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Job	Run time
update-stage0	41s
	41s

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