net: make GODEBUG=netdns=cgo force cgo as documented

It wasn't working. The wrong variable was used.

This would ideally have tests. It's also DEBUG.

Fixes #11816

Change-Id: Iec42d229b81d78cece4ba5c73f3040e2356eb98f
Reviewed-on: https://go-review.googlesource.com/12544
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>

diff --git a/src/net/conf.go b/src/net/conf.go
index e70178d34c3b44ab21824009fc5f17ef6b5e1354..01bb585ce673b5c02527e67f080f41b5236ec82d 100644 (file)
--- a/src/net/conf.go
+++ b/src/net/conf.go
@@ -80,7 +80,7 @@ func initConfVal() {
        _, localDomainDefined := syscall.Getenv("LOCALDOMAIN")
        if os.Getenv("RES_OPTIONS") != "" ||
                os.Getenv("HOSTALIASES") != "" ||
-               netCgo ||
+               confVal.netCgo ||
                localDomainDefined {
                confVal.forceCgoLookupHost = true
                return