[Bug tree-optimization/53947] [meta-bug] vectorizer missed-optimizations

[crazylht at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947
Bug 53947 depends on bug 103144, which changed state.

Bug 103144 Summary: vectorizer failed to recognize shift>>=1 in loop as shift>>i
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103144

           What    |Removed                     |Added
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             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED