cmd/compile: expected "not used" error #35021
Labels
compiler/runtime
Issues related to the Go compiler and/or runtime.
NeedsInvestigation
Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.
Milestone
What version of Go are you using (
go version
)?Does this issue reproduce with the latest release?
What operating system and processor architecture are you using (
go env
)?go env
OutputWhat did you do?
https://play.golang.org/p/O_76qweGQ0g
What did you expect to see?
Although x is used in assignment over itself, there is no usage of x, it is nice to get "not used" error for preventing unnecessary computations.
What did you see instead?
Nothing, run successfully
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