[Bug ipa/65502] pure-const should play well with clobbers.

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65502

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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           Keywords|                            |missed-optimization
   Target Milestone|6.0                         |---

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
I think we can safely ignore clobbers when scanning functions for
pure/constness.