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go/test/fixedbugs/bug255.go

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// errorcheck
// Copyright 2010 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
var a [10]int // ok
var b [1e1]int // ok
var c [1.5]int // ERROR "truncated|must be integer"
var d ["abc"]int // ERROR "invalid array bound|not numeric|must be integer"
var e [nil]int // ERROR "use of untyped nil|invalid array (bound|length)|not numeric|must be constant"
// var f [e]int // ok with Go 1.17 because an error was reported for e; leads to an error for Go 1.18
var f [ee]int // ERROR "undefined|undeclared"
var g [1 << 65]int // ERROR "array bound is too large|overflows|invalid array length"
var h [len(a)]int // ok
func ff() string
test: re-enable most go/tests that were disabled because of types2 differences I made the default be that, where there are differences between types2 and -G=0 error messages, we want errorcheck tests to pass types2. Typically, we can get errorcheck to pass on types2 and -G=0 if they give the same number of error messages on the same lines, just different wording. If they give a different number of error messages, then I made types2 pass. I added an exception list for -G=0 to cover those cases where -G=0 and types give different numbers of error messages. Because types2 does not run if there are syntax errors, for several tests, I had to split the tests into two parts in order to get all the indicated errors to be reported in types2 (bug228.go, bug388.go, issue11610.go, issue14520.go) I tried to preserve the GCCGO labeling correctly (but may have gotten some wrong). When types2 now matches where a GCCGO error previously occurred, I transformed GCCGO_ERROR -> ERROR. When types2 no longer reports an error in a certain place, I transformed ERROR -> GCCGO_ERROR. When types2 reports an error in a new place, I used GC_ERROR. The remaining entries in types2Failures are things that I think we probably still need to fix - either actually missing errors in types2, or cases where types2 gives worse errors than -G=0. Change-Id: I7f01e82b322b16094096b67d7ed2bb39b410c34f Reviewed-on: https://go-review.googlesource.com/c/go/+/372854 Trust: Dan Scales <danscales@google.com> Reviewed-by: Matthew Dempsky <mdempsky@google.com>
2021-12-03 17:10:10 -07:00
var i [len([1]string{ff()})]int // ERROR "non-constant array bound|not constant|must be constant"