return nil
}

// refineNonZeroes refines non-zero entries of b in zig-zag order. If nz >= 0,
// the first nz zero entries are skipped over.
func (d *decoder) refineNonZeroes(b *block, zig, zigEnd, nz, delta int32) (int32, error) {
	for ; zig <= zigEnd; zig++ {
		u := unzig[zig]
		if b[u] == 0 {
			if nz == 0 {
				break
			}
			nz--
			continue
		}
		bit, err := d.decodeBit()
		if err != nil {

00000130  bc d8 1d 01 4c 1f 70 90  46 76 48 8b 8f 83 cc 4a  |....L.p.FvH....J|
00000140  5c 8f 40 76 da e0 89 ec  1d 2b c4 4e 30 76 28 41  |\.@v.....+.N0v(A|
00000150  b2 62 a8 fb 5b f1 f9 4e  7a 8d bd 09 b8 ae ea 8b  |.b..[..Nz.......|
00000160  18 27 4f 2e 70 fe 13 96  ba c3 d3 40 16 cd 65 4e  |.'******@****.***|
00000170  ac 11 1e e6 f1 30 09 06  07 2a 86 48 ce 3d 04 01  |.....0...*.H.=..|

00000130  bc d8 1d 01 4c 1f 70 90  46 76 48 8b 8f 83 cc 4a  |....L.p.FvH....J|
00000140  5c 8f 40 76 da e0 89 ec  1d 2b c4 4e 30 76 28 41  |\.@v.....+.N0v(A|
00000150  b2 62 a8 fb 5b f1 f9 4e  7a 8d bd 09 b8 ae ea 8b  |.b..[..Nz.......|
00000160  18 27 4f 2e 70 fe 13 96  ba c3 d3 40 16 cd 65 4e  |.'******@****.***|
00000170  ac 11 1e e6 f1 30 09 06  07 2a 86 48 ce 3d 04 01  |.....0...*.H.=..|

DEFAULT_KIND_IMAGE="gcr.io/istio-testing/kind-node:v1.28.4"

# COMMON_SCRIPTS contains the directory this file is in.
COMMON_SCRIPTS=$(dirname "${BASH_SOURCE:-$0}")

function log() {
  echo -e "$(date -u '+%Y-%m-%dT%H:%M:%S.%NZ')\t$*"
}

function retry() {
  local n=1
  local max=5
  local delay=5
  while true; do
    "$@" && break
    if [[ $n -lt $max ]]; then
      ((n++))
      log "Command failed. Attempt $n/$max:"

00000130  bc d8 1d 01 4c 1f 70 90  46 76 48 8b 8f 83 cc 4a  |....L.p.FvH....J|
00000140  5c 8f 40 76 da e0 89 ec  1d 2b c4 4e 30 76 28 41  |\.@v.....+.N0v(A|
00000150  b2 62 a8 fb 5b f1 f9 4e  7a 8d bd 09 b8 ae ea 8b  |.b..[..Nz.......|
00000160  18 27 4f 2e 70 fe 13 96  ba c3 d3 40 16 cd 65 4e  |.'******@****.***|
00000170  ac 11 1e e6 f1 30 09 06  07 2a 86 48 ce 3d 04 01  |.....0...*.H.=..|

00000130  bc d8 1d 01 4c 1f 70 90  46 76 48 8b 8f 83 cc 4a  |....L.p.FvH....J|
00000140  5c 8f 40 76 da e0 89 ec  1d 2b c4 4e 30 76 28 41  |\.@v.....+.N0v(A|
00000150  b2 62 a8 fb 5b f1 f9 4e  7a 8d bd 09 b8 ae ea 8b  |.b..[..Nz.......|
00000160  18 27 4f 2e 70 fe 13 96  ba c3 d3 40 16 cd 65 4e  |.'******@****.***|
00000170  ac 11 1e e6 f1 30 09 06  07 2a 86 48 ce 3d 04 01  |.....0...*.H.=..|

000000e0  2b 7d 66 06 cb a1 78 a7  5a e2 af 4c fc a4 8b 99  |+}f...x.Z..L....|
000000f0  af 6c 6d 0e 07 7e da 11  5a b7 89 af 3c ce 1e 22  |.lm..~..Z...<.."|
00000100  1f 7d 97 d5 d4 78 09 c4  e7 fb 33 bf 36 ee 6e 5a  |.}...x....3.6.nZ|
00000110  af f0 5b 0f 00 eb cc 3d  76 35 41 98 4c 65 81 34  |..[....=v5A.Le.4|
00000120  74 d9 d7 ba 04 fc c8 c6  c9 ca 4b b0 8e b1 7e 87  |t.........K...~.|

	// updating a part of an instruction. This leads to relocation codes that are
	// inherently processor specific.

	// Arm64.

	// Set a MOV[NZ] immediate field to bits [15:0] of the offset from the thread
	// local base to the thread local variable defined by the referenced (thread
	// local) symbol. Error if the offset does not fit into 16 bits.
	R_ARM64_TLS_LE

  # Get current time.
  local current_time
  current_time="$(date --utc '+%s.%N')"
  # ...formatted as UTC RFC 3339.
  local timestamp
  timestamp="$(date --utc --date="@${current_time}" '+%FT%T.%NZ')"

  # Calculate latency.
  local latency='null'
  if [ "${status}" == "${LOG_STATUS_STARTED}" ]; then
    LOG_START_TIMES["${bootstep}"]="${current_time}"
  else

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