On Mon, Aug 31, 2020 at 10:06 AM Feng Xue OS via Gcc-patches <gcc-patches@gcc.gnu.org> wrote: > > This patch is to fix a bug that cost that is used to evaluate clone candidate > becomes negative due to integer overflow.
OK. Richard. > Feng > --- > 2020-08-31 Feng Xue <f...@os.amperecomputing.com> > > gcc/ > PR tree-optimization/96806 > * ipa-cp.c (decide_about_value): Use safe_add to avoid cost addition > overflow. > > gcc/testsuite/ > PR tree-optimization/96806 > * g++.dg/ipa/pr96806.C: New test.
