mirror of https://github.com/golang/go.git
f157068c1b
Each regtest does a significant amount of extra work re-doing things like parsing and type-checking the runtime package. We can share this work across regtests by using a shared cache, significantly speeding them up at the cost of potentially hiding bugs related to timing. Sharing this work still retains most of the benefit of the regtests, so implement this in the default mode (formerly called "singleton" and now renamed to "default"). In a subsequent CL, modes will be cleaned up so that "default" is the only mode that runs with -short. Making this change actually revealed a caching bug: our cached package stores error messages extracted from go/packages errors, but does not include these errors in the cache key. Fix this by hashing all metadata errors into the package cache key. Updates golang/go#39384 Change-Id: I37ab9604149d34c9a79fc02b0e1bc23fcb17c454 Reviewed-on: https://go-review.googlesource.com/c/tools/+/417587 TryBot-Result: Gopher Robot <gobot@golang.org> gopls-CI: kokoro <noreply+kokoro@google.com> Run-TryBot: Robert Findley <rfindley@google.com> Reviewed-by: Bryan Mills <bcmills@google.com> |
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