cs := "你好世界, hello world. 你好世界, hello world. 你好世界, hello world."
	for k := 1; k <= 2048; k <<= 4 {
		for j := 1; j <= 64; j <<= 1 {
			b.Run(fmt.Sprintf("%d:%d", k, j), func(b *testing.B) {
				for i := 0; i < b.N; i++ {
					LastIndexAny(x[:k], cs[:j])
				}
			})
		}
	}
}

func BenchmarkTrimASCII(b *testing.B) {
	cs := "0123456789abcdef"
	for k := 1; k <= 4096; k <<= 4 {

	B	0(PC)    // JMP 0(PC)  // feffffea
jmp_label_1:
	B	jmp_label_1 // JMP     // feffffea

// BL
	BL.EQ	14(PC) // CALL.EQ 14(PC)   // 0c00000b
	BL.NE	13(PC) // CALL.NE 13(PC)   // 0b00001b
	BL.CS	12(PC) // CALL.CS 12(PC)   // 0a00002b
	BL.CC	11(PC) // CALL.CC 11(PC)   // 0900003b
	BL.MI	10(PC) // CALL.MI 10(PC)   // 0800004b
	BL.PL	9(PC)  // CALL.PL 9(PC)    // 0700005b
	BL.VS	8(PC)  // CALL.VS 8(PC)    // 0600006b

query.gsa.default.preference=_query
# Language mapping for queries.
query.language.mapping=\
ar=ar\n\
bg=bg\n\
bn=bn\n\
ca=ca\n\
ckb-iq=ckb-iq\n\
ckb_IQ=ckb-iq\n\
cs=cs\n\
da=da\n\
de=de\n\
el=el\n\
en=en\n\
en-ie=en-ie\n\
en_IE=en-ie\n\
es=es\n\
et=et\n\
eu=eu\n\
fa=fa\n\
fi=fi\n\
fr=fr\n\
gl=gl\n\
gu=gu\n\
he=he\n\
hi=hi\n\

      "czech_stop": {
        "type":       "stop",
        "stopwords":  "_czech_"
      },
      "czech_keywords": {
        "type":       "keyword_marker",
        "keywords_path": "${fess.dictionary.path}cs/protwords.txt"
      },
      "czech_stemmer": {
        "type":       "stemmer",
        "language":   "czech"
      },
      "danish_stop": {
        "type":       "stop",

  //    definitely observe all earlier writes, but we still have no guarantee that done() would see
  //    the initial write (just stronger guarantees if it does).
  //
  // See: http://cs.oswego.edu/pipermail/concurrency-interest/2015-January/013800.html
  // For a (long) discussion about this specific issue and the general futility of life.
  //

  private static final class Invisible extends RangesMatcher {
    // Plug the following UnicodeSet pattern into
    // https://unicode.org/cldr/utility/list-unicodeset.jsp
    // [[[:Zs:][:Zl:][:Zp:][:Cc:][:Cf:][:Cs:][:Co:]]&[\u0000-\uFFFF]]
    // with the "Abbreviate" option, and get the ranges from there.
    private static final String RANGE_STARTS =

	CSET	GT, R1	        // e1d79f9a
	CSETW	HI, R2	        // e2979f1a
	CSEL	LT, R1, R2, ZR	// 3fb0829a
	CSELW	LT, R2, R3, R4	// 44b0831a
	CSINC	GT, R1, ZR, R3	// 23c49f9a
	CSNEG	MI, R1, R2, R3	// 234482da
	CSINV	CS, R1, R2, R3	// CSINV	HS, R1, R2, R3 // 232082da
	CSINV	HS, R1, R2, R3	// 232082da
	CSINVW	MI, R2, ZR, R2	// 42409f5a
	CINC	EQ, R4, R9	// 8914849a
	CINCW	PL, R2, ZR	// 5f44821a
	CINV	PL, R11, R22	// 76418bda

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