https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82496

Jeff Benshetler <jeff.benshetler at stackpath dot com> changed:

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--- Comment #1 from Jeff Benshetler <jeff.benshetler at stackpath dot com> ---
Created attachment 42332
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42332&action=edit
Preprocessed file that triggers the bug.

When compiled without optimization and run, running the executable produces the
following correct output:
  deltaT=2.00275

When compiled with any level of optimization (-O1 or greater), running the
executable produces the following erroneous output:
  deltaT=0

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