1 files changed, 0 insertions, 94 deletions
diff --git a/src/cmd/fix/hashsum.go b/src/cmd/fix/hashsum.go
deleted file mode 100644
index 0df6ad749..000000000
--- a/src/cmd/fix/hashsum.go
+++ /dev/null
@@ -1,94 +0,0 @@
-// Copyright 2011 The Go Authors.  All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package main
-
-import (
-	"go/ast"
-)
-
-func init() {
-	register(hashSumFix)
-}
-
-var hashSumFix = fix{
-	"hashsum",
-	"2011-11-30",
-	hashSumFn,
-	`Pass a nil argument to calls to hash.Sum
-
-This fix rewrites code so that it passes a nil argument to hash.Sum.
-The additional argument will allow callers to avoid an
-allocation in the future.
-
-http://codereview.appspot.com/5448065
-`,
-}
-
-// Type-checking configuration: tell the type-checker this basic
-// information about types, functions, and variables in external packages.
-var hashSumTypeConfig = &TypeConfig{
-	Var: map[string]string{
-		"crypto.MD4":       "crypto.Hash",
-		"crypto.MD5":       "crypto.Hash",
-		"crypto.SHA1":      "crypto.Hash",
-		"crypto.SHA224":    "crypto.Hash",
-		"crypto.SHA256":    "crypto.Hash",
-		"crypto.SHA384":    "crypto.Hash",
-		"crypto.SHA512":    "crypto.Hash",
-		"crypto.MD5SHA1":   "crypto.Hash",
-		"crypto.RIPEMD160": "crypto.Hash",
-	},
-
-	Func: map[string]string{
-		"adler32.New":    "hash.Hash",
-		"crc32.New":      "hash.Hash",
-		"crc32.NewIEEE":  "hash.Hash",
-		"crc64.New":      "hash.Hash",
-		"fnv.New32a":     "hash.Hash",
-		"fnv.New32":      "hash.Hash",
-		"fnv.New64a":     "hash.Hash",
-		"fnv.New64":      "hash.Hash",
-		"hmac.New":       "hash.Hash",
-		"hmac.NewMD5":    "hash.Hash",
-		"hmac.NewSHA1":   "hash.Hash",
-		"hmac.NewSHA256": "hash.Hash",
-		"md4.New":        "hash.Hash",
-		"md5.New":        "hash.Hash",
-		"ripemd160.New":  "hash.Hash",
-		"sha1.New224":    "hash.Hash",
-		"sha1.New":       "hash.Hash",
-		"sha256.New224":  "hash.Hash",
-		"sha256.New":     "hash.Hash",
-		"sha512.New384":  "hash.Hash",
-		"sha512.New":     "hash.Hash",
-	},
-
-	Type: map[string]*Type{
-		"crypto.Hash": {
-			Method: map[string]string{
-				"New": "func() hash.Hash",
-			},
-		},
-	},
-}
-
-func hashSumFn(f *ast.File) bool {
-	typeof, _ := typecheck(hashSumTypeConfig, f)
-
-	fixed := false
-
-	walk(f, func(n interface{}) {
-		call, ok := n.(*ast.CallExpr)
-		if ok && len(call.Args) == 0 {
-			sel, ok := call.Fun.(*ast.SelectorExpr)
-			if ok && sel.Sel.Name == "Sum" && typeof[sel.X] == "hash.Hash" {
-				call.Args = append(call.Args, ast.NewIdent("nil"))
-				fixed = true
-			}
-		}
-	})
-
-	return fixed
-}