compiler/utils/x86/assembler_x86.cc [1807:1819]:
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void X86Assembler::Bind(NearLabel* label) {
  int bound = buffer_.Size();
  CHECK(!label->IsBound());  // Labels can only be bound once.
  while (label->IsLinked()) {
    int position = label->LinkPosition();
    uint8_t delta = buffer_.Load<uint8_t>(position);
    int offset = bound - (position + 1);
    CHECK(IsInt<8>(offset));
    buffer_.Store<int8_t>(position, offset);
    label->position_ = delta != 0u ? label->position_ - delta : 0;
  }
  label->BindTo(bound);
}
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compiler/utils/x86_64/assembler_x86_64.cc [2362:2374]:
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void X86_64Assembler::Bind(NearLabel* label) {
  int bound = buffer_.Size();
  CHECK(!label->IsBound());  // Labels can only be bound once.
  while (label->IsLinked()) {
    int position = label->LinkPosition();
    uint8_t delta = buffer_.Load<uint8_t>(position);
    int offset = bound - (position + 1);
    CHECK(IsInt<8>(offset));
    buffer_.Store<int8_t>(position, offset);
    label->position_ = delta != 0u ? label->position_ - delta : 0;
  }
  label->BindTo(bound);
}
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