go/types, cmd/compile/internal/types2: avoid "declared but not used" errors for variables in invalid declarations #42937

griesemer · 2020-12-02T05:04:49Z

Reminder/follow-up issue.

Some of these error have been addressed with 274615 in the dev.typeparams branch (types2 package only, so far), but not all. Should look into solving this more consistently.

For some test cases which could be shorter (no need for _ = ... statements), see:

test/fixedbugs/bug062.go
test/fixedbugs/bug131.go
test/fixedbugs/bug175.go
test/fixedbugs/bug289.go
test/interface/pointer.go

There are likely many more.

cc: @findleyr

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griesemer added the NeedsInvestigation label Dec 2, 2020

griesemer added this to the Go1.17 milestone Dec 2, 2020

griesemer self-assigned this Dec 2, 2020

griesemer changed the title ~~go/types: avoid "declared but not used" errors for variables in invalid declarations~~ go/types, cmd/compile/internal/types2: avoid "declared but not used" errors for variables in invalid declarations Dec 2, 2020

golang / go

go/types, cmd/compile/internal/types2: avoid "declared but not used" errors for variables in invalid declarations #42937

go/types, cmd/compile/internal/types2: avoid "declared but not used" errors for variables in invalid declarations #42937

griesemer commented Dec 2, 2020 •

edited

golang / go

go/types, cmd/compile/internal/types2: avoid "declared but not used" errors for variables in invalid declarations #42937

go/types, cmd/compile/internal/types2: avoid "declared but not used" errors for variables in invalid declarations #42937

Comments

griesemer commented Dec 2, 2020 • edited

griesemer commented Dec 2, 2020 •

edited