2 files changed, 0 insertions, 32 deletions
diff --git a/src/cmd/compile/internal/ir/mknode.go b/src/cmd/compile/internal/ir/mknode.go
index bc6fa3cd30..5c36b729c7 100644
--- a/src/cmd/compile/internal/ir/mknode.go
+++ b/src/cmd/compile/internal/ir/mknode.go
@@ -169,10 +169,6 @@ func forNodeFields(typName string, typ *types.Struct, f func(name string, is fun
 		case "orig":
 			continue
 		}
-		switch typName + "." + v.Name() {
-		case "AddStringExpr.Alloc":
-			continue
-		}
 		f(v.Name(), func(t types.Type) bool { return types.Identical(t, v.Type()) })
 	}
 }
diff --git a/src/cmd/compile/internal/ir/type.go b/src/cmd/compile/internal/ir/type.go
index 5e6d76229d..bd3a05d06e 100644
--- a/src/cmd/compile/internal/ir/type.go
+++ b/src/cmd/compile/internal/ir/type.go
@@ -115,14 +115,6 @@ func (n *StructType) SetOTYPE(t *types.Type) {
 	n.Fields = nil
 }
 
-func deepCopyFields(pos src.XPos, fields []*Field) []*Field {
-	var out []*Field
-	for _, f := range fields {
-		out = append(out, f.deepCopy(pos))
-	}
-	return out
-}
-
 // An InterfaceType represents a struct { ... } type syntax.
 type InterfaceType struct {
 	miniType
@@ -250,26 +242,6 @@ func editFields(list []*Field, edit func(Node) Node) {
 	}
 }
 
-func (f *Field) deepCopy(pos src.XPos) *Field {
-	if f == nil {
-		return nil
-	}
-	fpos := pos
-	if !pos.IsKnown() {
-		fpos = f.Pos
-	}
-	decl := f.Decl
-	if decl != nil {
-		decl = DeepCopy(pos, decl).(*Name)
-	}
-	ntype := f.Ntype
-	if ntype != nil {
-		ntype = DeepCopy(pos, ntype).(Ntype)
-	}
-	// No keyed literal here: if a new struct field is added, we want this to stop compiling.
-	return &Field{fpos, f.Sym, ntype, f.Type, f.Embedded, f.IsDDD, f.Note, decl}
-}
-
 // A SliceType represents a []Elem type syntax.
 // If DDD is true, it's the ...Elem at the end of a function list.
 type SliceType struct {