On Thu, May 23, 2019 at 12:51 PM Martin Liška <mli...@suse.cz> wrote: > > Hi. > > The PR is about use-after-scope issue where: > wi::tree_to_wide_ref andw = wi::to_wide (val) & wi::to_wide (boundary); > > The RHS1 and RHS2 will become out-of-scope after operator& returns a > reference. > andw.val then points to one of RHS1 or RHS2. So that we end up with an > use-after-scope. > > Patch can bootstrap on x86_64-linux-gnu and survives regression tests. > > Ready to be installed?
OK. Richard. > Thanks, > Martin > > gcc/ChangeLog: > > 2019-05-23 Martin Liska <mli...@suse.cz> > > PR c++/90587. > * tree-ssa-uninit.c (value_sat_pred_p): The result of & > operation points to a temporary (pointed via tree_to_wide_ref) > that is out of scope after the &. > --- > gcc/tree-ssa-uninit.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > >
