tree f28f148f68d103f94c51c3831d99d8d5081c22ef
parent be1c187aa6c66b9daa1d9461c228d17e9dd2cab7
author Brad Fitzpatrick <bradfitz@golang.org> 1547147491 +0000
committer Brad Fitzpatrick <bradfitz@golang.org> 1547150550 +0000

trace: tighten the check for duplicate registration

From comment at @santsai at https://github.com/golang/go/issues/24137#issuecomment-452983000

Change-Id: Icf0aff2172811752b240d94e709550b0da353360
Reviewed-on: https://go-review.googlesource.com/c/157378
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: JBD <jbd@google.com>