[Bug 1596327] [NEW] bash does not recache a path if the file gets missing

[Sworddragon]

Public bug reported:

I'm using Ubutu 16.10 dev with bash 4.3-15ubuntu1 and I'm noticing that
bash caches the path of a command if the current bash instance
successfully finds it in the $PATH environment variable. But after this
caching happened if the file gets missing but reappears at another
location bash claims just that the file is in the old path missing. I
think in this case bash should withdraw the related cache entry and
search again in the $PATH environment variable.

** Affects: bash (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1596327

Title:
  bash does not recache a path if the file gets missing

Status in bash package in Ubuntu:
  New

Bug description:
  I'm using Ubutu 16.10 dev with bash 4.3-15ubuntu1 and I'm noticing
  that bash caches the path of a command if the current bash instance
  successfully finds it in the $PATH environment variable. But after
  this caching happened if the file gets missing but reappears at
  another location bash claims just that the file is in the old path
  missing. I think in this case bash should withdraw the related cache
  entry and search again in the $PATH environment variable.

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