go/test/fixedbugs/issue33386.go

// errorcheck

// Copyright 2019 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.

// Verify that we don't get spurious follow-on errors
// after a missing expression. Specifically, the parser
// shouldn't skip over closing parentheses of any kind.

package p

func _() {
	go func() {     // no error here about goroutine
		send <- // GCCGO_ERROR "undefined name"
	}()             // ERROR "expected expression|expected operand"
}

func _() {
	defer func() { // no error here about deferred function
		1 +    // GCCGO_ERROR "value computed is not used"
	}()            // ERROR "expected expression|expected operand"
}

func _() {
	_ = (1 +)             // ERROR "expected expression|expected operand"
	_ = a[2 +]            // ERROR "expected expression|expected operand|undefined name"
	_ = []int{1, 2, 3 + } // ERROR "expected expression|expected operand"
}