[Bug tree-optimization/60770] disappearing clobbers

[ebotcazou at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60770

Eric Botcazou <ebotcazou at gcc dot gnu.org> changed:

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

--- Comment #8 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
> I am probably doing something wrong in the patch, but ada seems to be using
> clobbers differently than others since it is the only one that notices
> (well, I didn't have a chance to check go since ada broke early).

The Ada front-end is the only serious user of abnormal call edges and the like
(for example SSA_NAME_OCCURS_IN_ABNORMAL_PHI) so this is not very surprising.