Hello ken2 (cc: golang-dev@googlegroups.com), I'd like you to review this change to https://go.googlecode.com/hg/
*** Submitted as http://code.google.com/p/go/source/detail?r=51e94aca9c32 *** 5a, 5l: add LDREXD, STREXD R=ken2 CC=golang-dev http://codereview.appspot.com/4239041
lgtm