cmd/bent: add flag to disable build time reporting

We do not want these benchmarks in cmd/bench because we only run builds
once and thus do not get statistically significant results anyway.

For golang/go#57770.

Change-Id: I75987416458f826ee0a3e71c69f36fd48206eb77
Run-TryBot: Michael Pratt <>
Auto-Submit: Michael Pratt <>
TryBot-Result: Gopher Robot <>
Reviewed-by: David Chase <>
3 files changed