message: Add assembler error message for misaligned instructions
diff: @@ -565,6 +565,18 @@ protected:
  req.section = m_currentSection;
  needsLinkage.push_back(req);
  }
  +
  + /// Check if we're now misaligned wrt. the size of the instruction. Instructions should always be
  + /// emitted on an aligned boundary wrt. their size.
  + unsigned alignmentDiff = addr_offset % assembledWith->size();
  + if (alignmentDiff != 0) {
  + errors.push_back({line.sourceLine, "Instruction misaligned (" + QString::number(alignmentDiff * 8) +
  + "-bit boundary). This instruction must be aligned on a " +
  + QString::number(assembledWith->size() * 8) +
  + "-bit boundary."});
  + break;
  + }
  +
  currentSection->data.append(
  QByteArray(reinterpret_cast<char*>(&machineCode.instruction), assembledWith->size()));
  