// 'and' with an int to get a valid table index.
  private final transient int mask;

  RegularImmutableSet(Object[] elements, int hashCode, @Nullable Object[] table, int mask) {
    this.elements = elements;
    this.hashCode = hashCode;
    this.table = table;
    this.mask = mask;
  }

  @Override
  public boolean contains(@CheckForNull Object target) {

//go:build unix

package runtime

import "unsafe"

var NonblockingPipe = nonblockingPipe
var Fcntl = fcntl
var Closeonexec = closeonexec

func sigismember(mask *sigset, i int) bool {
	clear := *mask
	sigdelset(&clear, i)
	return clear != *mask
}

func Sigisblocked(i int) bool {
	var sigmask sigset
	sigprocmask(_SIG_SETMASK, nil, &sigmask)
	return sigismember(&sigmask, i)
}

type M = m

			} else {
				expectedGid = int64(gid + 3000)
			}

			mask := rwMask

			if test.permissionMatch {
				mask |= execMask

			}
			if test.sgidMatch {
				mask |= os.ModeSetgid
				mask = info.Mode() | mask
			} else {
				nosgidPerm := info.Mode() &^ os.ModeSetgid
				mask = nosgidPerm | mask
			}

			err = os.Chmod(tmpDir, mask)
			if err != nil {

	VSLDOI  $1, V1, V2, V3     // V3=(V1:V2)<<1
	VSLDOI  $2, V1, V2, V4     // V4=(V1:V2)<<2
	VAND    V1, SEPMASK, V8    // Mask out sep size 0th index
	VAND    V3, SEPMASK, V9    // Mask out sep size 1st index
	VAND    V4, SEPMASK, V11   // Mask out sep size 2nd index
	VAND    V5, SEPMASK, V12   // Mask out sep size 3rd index
#endif
	VCMPEQUBCC      V0, V8, V8 // compare masked string

	}
}

// Issue 23120: respect umask when doing Mkdir with the sticky bit
func TestMkdirStickyUmask(t *testing.T) {
	if runtime.GOOS == "wasip1" {
		t.Skip("file permissions not supported on " + runtime.GOOS)
	}
	t.Parallel()

	const umask = 0077
	dir := newDir("TestMkdirStickyUmask", t)
	defer RemoveAll(dir)

	oldUmask := syscall.Umask(umask)
	defer syscall.Umask(oldUmask)

	s += "INS:\n"
	for _, i := range r.inputs {
		mask := fmt.Sprintf("%64b", i.regs)
		mask = strings.Replace(mask, "0", ".", -1)
		s += fmt.Sprintf("%2d |%s|\n", i.idx, mask)
	}
	s += "OUTS:\n"
	for _, i := range r.outputs {
		mask := fmt.Sprintf("%64b", i.regs)
		mask = strings.Replace(mask, "0", ".", -1)
		s += fmt.Sprintf("%2d |%s|\n", i.idx, mask)
	}
	s += "CLOBBERS:\n"
	mask := fmt.Sprintf("%64b", r.clobbers)

	exp += e
	x := Float64bits(frac)
	exp += int(x>>shift)&mask - bias
	if exp < -1075 {
		return Copysign(0, frac) // underflow
	}
	if exp > 1023 { // overflow
		if frac < 0 {
			return Inf(-1)
		}
		return Inf(1)
	}
	var m float64 = 1
	if exp < -1022 { // denormal
		exp += 53
		m = 1.0 / (1 << 53) // 2**-53
	}
	x &^= mask << shift
	x |= uint64(exp+bias) << shift
	return m * Float64frombits(x)

			gpspMask |= mask
			gpspsbMask |= mask
			gpspsbgMask |= mask
		}
	}

	// Floating pointer registers.
	for r := 32; r <= 63; r++ {
		mask := addreg(r, "")
		fpMask |= mask
	}

	// Pseudo-register: SB
	mask := addreg(-1, "SB")
	gpspsbMask |= mask
	gpspsbgMask |= mask

	if len(regNamesRISCV64) > 64 {
		// regMask is only 64 bits.
		panic("Too many RISCV64 registers")
	}

    public static String intercept_readText(
        File thisFile,
        Charset charset,
        @KotlinDefaultMask int mask,
        @CallerClassName String consumer
    ) throws Throwable {
        return mask != 0 ?
            Instrumented.kotlinIoFilesKtReadTextDefault(thisFile, charset, mask, null, consumer) :
            Instrumented.kotlinIoFilesKtReadText(thisFile, charset, consumer);
    }

__attribute__((noinline))
void msanGoWait(unsigned long a1, unsigned long a2, unsigned long a3, unsigned long a4, unsigned long a5, unsigned long a6) {
	sigset_t mask;

	sigemptyset(&mask);
        sigsuspend(&mask);
}

// msanGoSignalThread is the thread ID of the msanGoLoop thread.
static pthread_t msanGoSignalThread;

// msanGoSignalThreadSet is used to record that msanGoSignalThread