cmd/compile: remove pointless conversions in copytype

Passes toolstash -cmp.

Change-Id: I8b000d4e90e6aa1a0e60bd46fb7cba2ddc1774b5
Reviewed-on: https://go-review.googlesource.com/21210
Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>

diff --git a/src/cmd/compile/internal/gc/typecheck.go b/src/cmd/compile/internal/gc/typecheck.go
index e364d56b4f661433ff529cf0def5deb0feae2310..ee7c34c8956ed20f82a75f970cc25af4cf03c787 100644 (file)
--- a/src/cmd/compile/internal/gc/typecheck.go
+++ b/src/cmd/compile/internal/gc/typecheck.go
@@ -3504,12 +3504,11 @@ func copytype(n *Node, t *Type) {
        if t.Etype == TFORW {
                // This type isn't computed yet; when it is, update n.
                t.Copyto = append(t.Copyto, n)
-
                return
        }
 
-       maplineno := int(n.Type.Maplineno)
-       embedlineno := int(n.Type.Embedlineno)
+       maplineno := n.Type.Maplineno
+       embedlineno := n.Type.Embedlineno
        l := n.Type.Copyto
 
        // TODO(mdempsky): Fix Type rekinding.
@@ -3537,7 +3536,7 @@ func copytype(n *Node, t *Type) {
        lno := lineno
 
        if embedlineno != 0 {
-               lineno = int32(embedlineno)
+               lineno = embedlineno
                if Isptr[t.Etype] {
                        Yyerror("embedded type cannot be a pointer")
                }
@@ -3547,7 +3546,7 @@ func copytype(n *Node, t *Type) {
 
        // Queue check for map until all the types are done settling.
        if maplineno != 0 {
-               t.Maplineno = int32(maplineno)
+               t.Maplineno = maplineno
                mapqueue = append(mapqueue, n)
        }
 }