cmd/compile: use quotes to wrap user-supplied token

src/cmd/compile/internal/syntax/parser.go

@@ -267,7 +267,9 @@ func (p *parser) syntaxErrorAt(pos Pos, msg string) {
 	// determine token string
 	var tok string
 	switch p.tok {
-	case _Name, _Semi:
+	case _Name:
+		tok = "\"" + p.lit + "\""
+	case _Semi:
 		tok = p.lit
 	case _Literal:
 		tok = "literal " + p.lit

src/cmd/compile/internal/syntax/testdata/issue65970.go

@@ -0,0 +1,14 @@
+// Copyright 2023 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 p
+
+import (
+	"fmt"
+)
+
+func f() {
+	int status // ERROR syntax error: unexpected "status" at end of statement
+	fmt.Println(status)
+}