}

func CheckGodebug(verb, k, v string) error {
	if strings.ContainsAny(k, " \t") {
		return fmt.Errorf("key contains space")
	}
	if strings.ContainsAny(v, " \t") {
		return fmt.Errorf("value contains space")
	}
	if strings.ContainsAny(k, ",") {
		return fmt.Errorf("key contains comma")
	}
	if strings.ContainsAny(v, ",") {
		return fmt.Errorf("value contains comma")
	}

	{[]byte("aRegExp*"), ".(|)*+?^$[]", true},
	{[]byte(dots + dots + dots), " ", false},
}

func TestContainsAny(t *testing.T) {
	for _, ct := range ContainsAnyTests {
		if ContainsAny(ct.b, ct.substr) != ct.expected {
			t.Errorf("ContainsAny(%s, %s) = %v, want %v",
				ct.b, ct.substr, !ct.expected, ct.expected)
		}
	}
}

var ContainsRuneTests = []struct {
	b        []byte
	r        rune

	p.GccFiles = append(p.GccFiles, base+".cgo2.c")

	// Write Go output: Go input with rewrites of C.xxx to _C_xxx.
	fmt.Fprintf(fgo1, "// Code generated by cmd/cgo; DO NOT EDIT.\n\n")
	if strings.ContainsAny(srcfile, "\r\n") {
		// This should have been checked when the file path was first resolved,
		// but we double check here just to be sure.