https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947 Bug 53947 depends on bug 106346, which changed state.
Bug 106346 Summary: [11/12/13/14 Regression] Potential regression on vectorization of left shift with constants since r11-5160-g9fc9573f9a5e94 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106346 What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution|--- |FIXED