cmd/go: go test -c does not apply specified gcflags to the test package

[aarzilli]

Please answer these questions before submitting your issue. Thanks!

What version of Go are you using (go version)?

go version devel +5f29a7a Mon Nov 20 20:29:43 2017 +0000 linux/amd64

What did you do?

go get github.com/aarzilli/testflags
cd $GOPATH/src/github.com/aarzilli/testflags
go clean -cache && go test -c -gcflags '-N -l'

What did you expect to see?

flags -N -l applied to the test package (i.e. the one defined in main_test.go)

What did you see instead?

The flags are applied to github.com/aarzilli/testflags but not to the test package.

[rsc]

Indeed. Will fix.

[gopherbot]

Change https://golang.org/cl/81496 mentions this issue: cmd/go: apply same per-package flags to test and xtest builds

[gopherbot]

Change https://golang.org/cl/83879 mentions this issue: cmd/go: apply same per-package flags to compile and link of test