On Thu, Mar 4, 2021 at 7:28 PM Eric Botcazou <botca...@adacore.com> wrote: > > Hi, > > this is an undefined behavior spotted by the sanitizer that has managed to go > unnoticed until now. Tested on x86-64/Linux, OK for the mainline?
OK. > > 2021-03-04 Eric Botcazou <ebotca...@adacore.com> > > PR rtl-optimization/99376 > * rtlanal.c (nonzero_bits1) <arithmetic operators>: If the number > of low-order zero bits is too large, set the result to 0 directly. > > -- > Eric Botcazou
