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go.tools/cmd/vet: fix go.tools build

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TBR: gri

I cannot create an issue on the tracker for some reason, so here it is:
go vet contains this snippet:

        if types.IsAssignableTo(typ, errorType) || types.IsAssignableTo(typ, stringerType) {

It's getting the wrong answer: It claims

interface {
        f()
}

or even

interface {
        f() float64
}

matches the Error and Stringer interfaces. Both of them.  This causes a test failure:
$ go test code.google.com/p/go.tools/cmd/vet
BUG: errchk: testdata/print.go:124: missing expected error: '"for printf verb %s of wrong type"'
$
This worked until very recently.

R=gri
CC=golang-dev
https://golang.org/cl/12398043
This commit is contained in:
Rob Pike 2013-08-03 15:56:56 +10:00
parent aecec2f502
commit c333e7a7b6
1 changed files with 1 additions and 1 deletions
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2
cmd/vet/testdata/print.go vendored
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@ -121,7 +121,7 @@ func PrintfTests() {
fmt.Printf("%t", stringerarrayv) // ERROR "arg stringerarrayv for printf verb %t of wrong type"
fmt.Printf("%t", notstringerarrayv) // ERROR "arg notstringerarrayv for printf verb %t of wrong type"
fmt.Printf("%q", notstringerarrayv) // ERROR "arg notstringerarrayv for printf verb %q of wrong type"
fmt.Printf("%s", nonemptyinterface) // ERROR "for printf verb %s of wrong type"
fmt.Printf("%s", nonemptyinterface) // NOTERROR "for printf verb %s of wrong type" (Disabled temporarily because of bug in IsAssignableTo)
fmt.Printf("%.*s %d %g", 3, "hi", 23, 'x') // ERROR "arg 'x' for printf verb %g of wrong type"
fmt.Println() // not an error
fmt.Println("%s", "hi") // ERROR "possible formatting directive in Println call"