From 29acec672ffdf5251bd6799406c6b12fdce255a0 Mon Sep 17 00:00:00 2001 From: Nuno Lopes Date: Sun, 15 Oct 2017 01:41:07 +0100 Subject: [PATCH] nnf: remove ast incref --- src/ast/normal_forms/nnf.cpp | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/src/ast/normal_forms/nnf.cpp b/src/ast/normal_forms/nnf.cpp index 247e9dea1..014568812 100644 --- a/src/ast/normal_forms/nnf.cpp +++ b/src/ast/normal_forms/nnf.cpp @@ -207,8 +207,8 @@ struct nnf::imp { unsigned m_new_child:1; unsigned m_cache_result:1; unsigned m_spos; // top of the result stack, when the frame was created. - frame(expr_ref& n, bool pol, bool in_q, bool cache_res, unsigned spos): - m_curr(n), + frame(expr_ref&& n, bool pol, bool in_q, bool cache_res, unsigned spos): + m_curr(std::move(n)), m_i(0), m_pol(pol), m_in_q(in_q), @@ -324,8 +324,7 @@ struct nnf::imp { } void push_frame(expr * t, bool pol, bool in_q, bool cache_res) { - expr_ref tr(t, m()); - m_frame_stack.push_back(frame(tr, pol, in_q, cache_res, m_result_stack.size())); + m_frame_stack.push_back(frame({ t, m() }, pol, in_q, cache_res, m_result_stack.size())); } static unsigned get_cache_idx(bool pol, bool in_q) {