IjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwriElUIt3LCqmJObs+yDoWPD
F5IqgWk6moIobYjPfextZiYU6I3EfvAwoNxPDkN2WowcocUZMJbEeEq5ebBksFnx
f12gBxlIViIYwZAzu7aFvhDMyPKQI3C8CG0ZSC9ABZ1E3umdA3CEueNOmP/TChNq
Cl23+BG1Qb/PJkpAO+GfpWSVhTcV53Mf/cKvFHcjGNrxzdSoq9fyW7a6gfcGEQY0
LVkmwFWUfJ0wT8kaeLr0E0tozkIfo01KNWNzv6NcYP80QOBRDlApWu9ODmEVJHPD
blx4jzTQ3JLa+4DvBNOjVUOp+mgRmjiW0rLdrxwOxIqIOwNjweMCp/hgxX/hTQID

func (ls *labelScope) enclosingTarget(b *block, name string) *LabeledStmt {
	if l := ls.labels[name]; l != nil {
		l.used = true // even if it's not a valid target (see e.g., test/fixedbugs/bug136.go)
		for ; b != nil; b = b.parent {
			if l.lstmt == b.lstmt {
				return l.lstmt
			}
		}
		return invalid
	}
	return nil
}

// targets describes the target statements within which break

	{"bug1b", "{{$x:=.}}{{$x+2}}", hasError, ""},                     // $x+2 should not parse as ($x) (+2).
	{"bug1c", "{{$x:=.}}{{$x +2}}", noError, "{{$x := .}}{{$x +2}}"}, // It's OK with a space.
	// dot following a literal value
	{"dot after integer", "{{1.E}}", hasError, ""},
	{"dot after float", "{{0.1.E}}", hasError, ""},
	{"dot after boolean", "{{true.E}}", hasError, ""},
	{"dot after char", "{{'a'.any}}", hasError, ""},