https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947 Bug 53947 depends on bug 61194, which changed state.
Bug 61194 Summary: [4.9/5/6/7 Regression] vectorization failed with "bit-precision arithmetic not supported" even if conversion to int is requested https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61194 What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution|--- |FIXED