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Re: [PATCH] Fix the one entry mem{{,p}cpy,move,set} optimization aliasing issues (PR middle-end/29272)


> > TYPE_REF_CAN_ALIAS_ALL works both at the Tree and the RTL level.
> > 
> But you don't want to punish all the pointers of that type.  Unless, a
> new type was created for that pointer.  DECL_POINTER_ALIAS_SET may be
> good enough.

You'd have to create a new type anyway.  You can't modify
TYPE_REF_CAN_ALIAS_ALL on an existing type.


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