[Bug rtl-optimization/78378] [5/6/7 Regression] wrong code when combining shift + mult + zero_extend

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78378

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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   Target Milestone|---                         |5.5