cmd/compile/internal/gc: npos(p, nod(o, l, r)) -> nodl(p, o, l, r)
cmd/compile/internal/gc: npos(p, nod(o, l, r)) -> nodl(p, o, l, r)

Prepared with gofmt -r.

Passes toolstash-check.

Change-Id: I8a4f7a8c365dfe464dfc5868a18c67d56af37749
Reviewed-on: https://go-review.googlesource.com/38739
Run-TryBot: Matthew Dempsky <e56ac2c500064424afac424d4b5e53bd0570a731@google.com>
Reviewed-by: Josh Bleecher Snyder <cdc248cc4d32e4fbfe04e45228163bcecd48a0b9@gmail.com>
TryBot-Result: Gobot Gobot <66cb808b70d30c07676d5e946fee83fd561249e5@golang.org>

Cofyc/go,akutz/go,linux-on-ibm-z/go,CAFxX/go,linux-on-ibm-z/go,Cofyc/go,codestation/go,nawawi/go,ImJasonH/go,golang/go,ImJasonH/go,nawawi/go,josharian/go,derekmarcotte/go,akutz/go,akutz/go,derekmarcotte/go,vsekhar/elastic-go,ImJasonH/go,golang/go,golang/go,linux-on-ibm-z/go,nawawi/go,CAFxX/go,ImJasonH/go,golang/go,cloudflare/go,ImJasonH/go,Cofyc/go,derekmarcotte/go,vsekhar/elastic-go,golang/go,cloudflare/go,nawawi/go,codestation/go,vsekhar/elastic-go,vsekhar/elastic-go,polyverse-security/go,Cofyc/go,ImJasonH/go,polyverse-security/go,akutz/go,cloudflare/go,vsekhar/elastic-go,derekmarcotte/go,cloudflare/go,ImJasonH/go,Cofyc/go,polyverse-security/go,linux-on-ibm-z/go,vsekhar/elastic-go,linux-on-ibm-z/go,golang/go,akutz/go,golang/go,christopher-henderson/Go,codestation/go,nawawi/go,polyverse-security/go,codestation/go,cloudflare/go,vsekhar/elastic-go,ImJasonH/go,cloudflare/go,codestation/go,codestation/go,CAFxX/go,polyverse-security/go,CAFxX/go,polyverse-security/go,nawawi/go,nawawi/go,josharian/go,Cofyc/go,linux-on-ibm-z/go,cloudflare/go,golang/go,vsekhar/elastic-go,derekmarcotte/go,Cofyc/go,derekmarcotte/go,linux-on-ibm-z/go,Cofyc/go,josharian/go,josharian/go,akutz/go,josharian/go,linux-on-ibm-z/go,CAFxX/go,CAFxX/go,cloudflare/go,codestation/go,derekmarcotte/go,josharian/go,CAFxX/go,akutz/go,josharian/go,akutz/go,nawawi/go,polyverse-security/go,josharian/go,derekmarcotte/go,CAFxX/go,polyverse-security/go,codestation/go