Commit 4764d6fd authored by Alan Donovan's avatar Alan Donovan

cmd/vet/internal/cfg: don't crash on malformed goto statement

Change-Id: Ib285c02e240f02e9d5511bd448163ec1d4e75516
Reviewed-on: https://go-review.googlesource.com/24323Reviewed-by: default avatarRob Pike <r@golang.org>
parent f2c13d71
......@@ -98,8 +98,10 @@ start:
}
case token.GOTO:
if s.Label != nil {
block = b.labeledBlock(s.Label)._goto
}
}
if block == nil {
block = b.newBlock("undefined.branch")
}
......
......@@ -122,6 +122,12 @@ func f10(ch chan int) {
}
live()
}
func f11() {
goto; // mustn't crash
dead()
}
`
func TestDeadCode(t *testing.T) {
......
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