tree 28e10f6a96a35337244af9ec99a9df7944e0ac66
parent 21500012c18adb985876507c0495c4d7990ff642
author David Chase <drchase@google.com> 1432346461 -0400
committer David Chase <drchase@google.com> 1432747755 +0000

cmd/compile: propagate correct line numbers in treecopy

Added a lineno parameter to treecopy and listtreecopy
(ignored if = 0).  When nodes are copied the copy is
assigned the non-zero lineno (normally this would be
the destination).

Fixes #8183

Change-Id: Iffb767a745093fb89aa08bf8a7692c2f0122be98
Reviewed-on: https://go-review.googlesource.com/10334
Reviewed-by: Russ Cox <rsc@golang.org>