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[Bug target/79905] ICE in canonical types differ for identical types __vector(4) int and V4i {aka __vector(4) int}


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79905

Nathan Sidwell <nathan at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
           Assignee|unassigned at gcc dot gnu.org      |nathan at gcc dot gnu.org

--- Comment #11 from Nathan Sidwell <nathan at gcc dot gnu.org> ---
I'll take a look.

Before I forget, I noticed that the canonical type hasher gets given a bespoke
hash code by the type creator.  I think the aim is to avoid a generic hasher.
This leads to various interesting ways the hash is generated. The attribute
variant creator contains a generic hasher anyway. I have patches on the
c++-modules branch to canonicalize this hashing.

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