https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114995

--- Comment #10 from Aldy Hernandez <aldyh at gcc dot gnu.org> ---
Created attachment 58202
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=58202&action=edit
proof of concept implementing a range-op entry for builtin_assume_aligned

Something like this (properly coded and enhanced) would work.

The pointers_handled_p() cruft is temporary boilerplate to indicate that we
only support a fold-range() of PRANGE = IRANGE op PRANGE for this operation. 
This is going away when the dust settles.

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