[dev.regabi] cmd/compile: remove typ from AssignOpStmt

Previous detached logic of typechecking AssignOpStmt from tcArith, the
typ field of it is not used anymore.

Pass toolstash -cmp.

Change-Id: I407507a1c4c4f2958fca4d6899875564e54bf1f5
Reviewed-on: https://go-review.googlesource.com/c/go/+/279443
Trust: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>

diff --git a/src/cmd/compile/internal/ir/stmt.go b/src/cmd/compile/internal/ir/stmt.go
index de152fec7275bf987348e4ef5d0a99fc5655e629..1301e65e26922336a2dc2ea07a527097b39ac963 100644 (file)
--- a/src/cmd/compile/internal/ir/stmt.go
+++ b/src/cmd/compile/internal/ir/stmt.go
@@ -112,7 +112,6 @@ func (n *AssignStmt) SetOp(op Op) {
 // An AssignOpStmt is an AsOp= assignment statement: X AsOp= Y.
 type AssignOpStmt struct {
        miniStmt
-       typ    *types.Type
        X      Node
        AsOp   Op // OADD etc
        Y      Node
@@ -126,9 +125,6 @@ func NewAssignOpStmt(pos src.XPos, asOp Op, x, y Node) *AssignOpStmt {
        return n
 }
 
-func (n *AssignOpStmt) Type() *types.Type     { return n.typ }
-func (n *AssignOpStmt) SetType(x *types.Type) { n.typ = x }
-
 // A BlockStmt is a block: { List }.
 type BlockStmt struct {
        miniStmt