tree 26e3c1f904fd86d4aac24815c5c5672688234e34
parent db3088a37c3e4743183bc4c5934c1d4ebc3ca498
author Russ Cox <rsc@golang.org> 1311802770 -0400
committer Russ Cox <rsc@golang.org> 1311802770 -0400
golang-hg 2d3f0621450a51cdc708655c55e3ac7534fb57e7

gc: diagnose (x) := 0

Fixes #1756.

R=ken2
CC=golang-dev
https://golang.org/cl/4810057