[Bug middle-end/15147] A REG rtx can be smaller if register renaming is rewritten such that ORIGINAL_REGNO can go away

[steven at gcc dot gnu dot org]

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           What    |Removed                     |Added
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         AssignedTo|steven at gcc dot gnu dot   |unassigned at gcc dot gnu
                   |org                         |dot org
             Status|ASSIGNED                    |NEW


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15147