[dev.typeparams] cmd: update vendored golang.org/x/tools to 337cebd2c151

Update vendored golang.org/x/tools repo to pick up CL 339250 for
assembly function check for register ABI.

This is done with

	cd GOROOT/cmd
	go get golang.org/x/tools@master
	go mod tidy
	go mod vendor

Update cmd/vet tests as the error ouput changes in CL 301949.
The error message now includes full package-qualified name.

Change-Id: I52dc7223aee9e011214254488bacf02dc5b4c2ef
Reviewed-on: https://go-review.googlesource.com/c/go/+/341149
Trust: Cherry Mui <cherryyz@google.com>
Run-TryBot: Cherry Mui <cherryyz@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Than McIntosh <thanm@google.com>

1 files changed, 25 insertions, 0 deletions

diff --git a/src/cmd/vendor/golang.org/x/tools/internal/typeparams/common.go b/src/cmd/vendor/golang.org/x/tools/internal/typeparams/common.go
new file mode 100644
index 0000000000..9fc6b4beb8
--- /dev/null
+++ b/src/cmd/vendor/golang.org/x/tools/internal/typeparams/common.go
@@ -0,0 +1,25 @@
+// Copyright 2021 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 typeparams provides functions to work indirectly with type parameter
+// data stored in go/ast and go/types objects, while these API are guarded by a
+// build constraint.
+//
+// This package exists to make it easier for tools to work with generic code,
+// while also compiling against older Go versions.
+package typeparams
+
+import (
+	"go/ast"
+	"go/token"
+)
+
+// A IndexExprData holds data from both ast.IndexExpr and the new
+// ast.MultiIndexExpr, which was introduced in Go 1.18.
+type IndexExprData struct {
+	X       ast.Expr   // expression
+	Lbrack  token.Pos  // position of "["
+	Indices []ast.Expr // index expressions
+	Rbrack  token.Pos  // position of "]"
+}