No "Go to definition" for Go symbol

Created by: sqs

At https://sourcegraph.com/github.com/sourcegraph/sourcegraph@7cee2b75321d1f2bd0f38b9ed143877f4a7e8fc5/-/blob/cmd/frontend/graphqlbackend/git_commit.go#L266:10 I see a hover for type gitCommitConnectionResolver struct but no "Go to definition" (or "Find references") buttons. I expect to see those buttons because it found the hover.