Backport #8194: Backport r39967

• Status: Closed
• Assignee: usa (Usaku NAKAMURA)

[hsbt (Hiroshi SHIBATA)]

copied issue from #8180 created by hasari.

[usa (Usaku NAKAMURA)]

• Status changed from Open to Closed
• % Done changed from 0 to 100

This issue was solved with changeset r40054.
Hiroshi, thank you for reporting this issue.
Your contribution to Ruby is greatly appreciated.
May Ruby be with you.

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merge revision(s) 39967: [Backport #8194]

* time.c (num_exact): use to_r method only if to_int method is
  available.
  [ruby-core:53764] [Bug #8173] reported by Hiro Asari.