go/test/fixedbugs/issue22581.go
griesemer 17ff23f7c8 cmd/compile/internal/syntax: better syntax errors for typos in if/switch/for headers
Be more pessimistic when parsing if/switch/for headers for better error
messages when things go wrong.

Fixes #22581.

Change-Id: Ibb99925291ff53f35021bc0a59a4c9a7f695a194
Reviewed-on: https://go-review.googlesource.com/76290
Run-TryBot: Robert Griesemer <gri@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
2017-11-06 23:17:24 +00:00

27 lines
487 B
Go

// errorcheck
// Copyright 2017 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
func f() {
if i := g()); i == j { // ERROR "unexpected \)"
}
if i == g()] { // ERROR "unexpected \]"
}
switch i := g()); i { // ERROR "unexpected \)"
}
switch g()] { // ERROR "unexpected \]"
}
for i := g()); i < y; { // ERROR "unexpected \)"
}
for g()] { // ERROR "unexpected \]"
}
}