tree 91e048db82c73eee567c675d3b312858644d7ce3
parent a1cad70a2fd1ce497cd90d4caedb0f877558bd6f
author Austin Clements <austin@google.com> 1442255289 -0400
committer Austin Clements <austin@google.com> 1442259464 +0000

runtime: minor clarifications of markroot

This puts the _Root* indexes in a more friendly order and tweaks
markrootSpans to use a for-range loop instead of its own indexing.

Change-Id: I2c18d55c9a673ea396b6424d51ef4997a1a74825
Reviewed-on: https://go-review.googlesource.com/14548
Reviewed-by: Rick Hudson <rlh@golang.org>