[Bug c/113106] Missing CSE with cast to volatile

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113106

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

           What    |Removed                     |Added
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                 CC|                            |rguenth at gcc dot gnu.org

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
The situation with address-spaces isn't valid as we need to preserve the second
load because it's volatile.  I think we simply refuse to combine
volatile loads out of caution in the first case.