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set_value_component_location in apply_val_pretty_printer


Hi,

I don't understand this piece of code in apply_val_pretty_printer,
why do we need to call set_value_component_location?

  set_value_component_location (value, val);
  /* set_value_component_location resets the address, so we may
     need to set it again.  */
  if (VALUE_LVAL (value) != lval_internalvar
      && VALUE_LVAL (value) != lval_internalvar_component
      && VALUE_LVAL (value) != lval_computed)
    set_value_address (value, address + embedded_offset);

It was added by Tom in
https://sourceware.org/ml/gdb-patches/2010-06/msg00132.html
There wasn't much information in email and ChangeLog.

-- 
Yao (齐尧)


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