[cfe-dev] How are -print-stats and -time command line args enabled

Larry Evans cppljevans at suddenlink.net
Tue Oct 16 06:20:44 PDT 2012


The command:
  clang --help shows:
shows:
  -print-stats            Print performance metrics and statistics
  -time                   Time individual commands

However, using either of this command line flags gives the warnings:
  clang: warning: argument unused during compilation: '-time'
  clang: warning: argument unused during compilation: '-print-stats'
How are these flags made useful?

TIA.

-regards,
Larry





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