does not need to be exposed from C code for bootstrapping reasons.

Closes #13859: Replaced reference to StandardError with reference to Exception. Thanks to Matt Joiner for spotting this and submitting a patch.

(rather than `-m test.regrtest`)

Issue #11235: Fix OverflowError when trying to import a source file whose modification time doesn't fit in a 32-bit timestamp.

Issue #11235: Fix OverflowError when trying to import a source file whose modification time doesn't fit in a 32-bit timestamp.

target's type (file or directory).  The detection was buggy and made the
call non-atomic (therefore prone to race conditions).

target's type (file or directory).  The detection was buggy and made the
call non-atomic (therefore prone to race conditions).

Move wallclock() at the end.

may return the same time.

I had to move the static identifier code from unicodeobject.h to object.h in
order for this to work.