On Tue, Oct 25, 2016 at 9:59 AM, Marek Polacek <pola...@redhat.com> wrote: > On Mon, Oct 24, 2016 at 04:10:21PM +0200, Marek Polacek wrote: >> On Thu, Oct 20, 2016 at 12:28:36PM +0200, Marek Polacek wrote: >> > I found a problem with this patch--we can't call >> > do_warn_duplicated_branches in >> > build_conditional_expr, because that way the C++-specific codes might leak >> > into >> > the hasher. Instead, I should use operand_equal_p, I think. Let me rework >> > that part of the patch.
Hmm, is there a reason not to use operand_equal_p for do_warn_duplicated_branches as well? I'm concerned about hash collisions leading to false positives. Jason