public final int findLineNumberForInstruction (int instructionOffset) throws UninterruptiblePragma { int instructionIndex = instructionOffset >>> LG_INSTRUCTION_WIDTH; int bci = findBytecodeIndexForInstruction(instructionIndex);
public final int findLineNumberForInstruction (Offset instructionOffset) throws UninterruptiblePragma { int bci = findBytecodeIndexForInstruction(instructionOffset);
  public final int findLineNumberForInstruction (int instructionOffset) throws UninterruptiblePragma {    int instructionIndex = instructionOffset >>> LG_INSTRUCTION_WIDTH;     int bci = findBytecodeIndexForInstruction(instructionIndex);    if (bci == -1) return 0;    return ((VM_NormalMethod)method).getLineNumberForBCIndex(bci);  }