compiler construction - What can be the possible reasons for the object code of an unchanged C++ file to change on recompilation? -


it's not question. it's dormant question found on quora. 1 answer of header files might have changed author of questions claims did not. love hear people here have :)

  • changed header files
  • different compiler
  • different command line options
  • timestamp in object code
  • nondeterministic code generator or optimizer
  • profile-driven optimization changed profile
  • nondeterminism induced changes in os provided services

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