cmd/internal/obj: reduce variable scope

Minor cleanup, to make it clearer
that the two p's are unrelated.

Change-Id: Icb6386c626681f60e5e631b33aa3a0fc84f40e4a
Reviewed-on: https://go-review.googlesource.com/38381
Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

diff --git a/src/cmd/internal/obj/plist.go b/src/cmd/internal/obj/plist.go
index 4ff71632a04094a43a4ad8cbfb2c3778a2362296..9baf1775e513366410e6be5221bb28343fc7d4ba 100644 (file)
--- a/src/cmd/internal/obj/plist.go
+++ b/src/cmd/internal/obj/plist.go
@@ -102,8 +102,7 @@ func flushplist(ctxt *Link, plist *Plist, freeProgs bool) {
                        continue
                }
                found := false
-               var p *Prog
-               for p = s.Text; p != nil; p = p.Link {
+               for p := s.Text; p != nil; p = p.Link {
                        if p.As == AFUNCDATA && p.From.Type == TYPE_CONST && p.From.Offset == FUNCDATA_ArgsPointerMaps {
                                found = true
                                break
@@ -111,7 +110,7 @@ func flushplist(ctxt *Link, plist *Plist, freeProgs bool) {
                }
 
                if !found {
-                       p = Appendp(ctxt, s.Text)
+                       p := Appendp(ctxt, s.Text)
                        p.As = AFUNCDATA
                        p.From.Type = TYPE_CONST
                        p.From.Offset = FUNCDATA_ArgsPointerMaps