From 4540250116ee27bd571923f620d07f90617cda4c Mon Sep 17 00:00:00 2001
From: Turo Lamminen <turotl@gmail.com>
Date: Fri, 14 Aug 2015 13:26:45 +0300
Subject: [PATCH] IFC: Don't store temporary values by reference

This is not legal in any way and should never have worked.
---
 code/IFCOpenings.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/code/IFCOpenings.cpp b/code/IFCOpenings.cpp
index db2187e49..b2a6bf6c5 100644
--- a/code/IFCOpenings.cpp
+++ b/code/IFCOpenings.cpp
@@ -1227,7 +1227,7 @@ bool GenerateOpenings(std::vector<TempOpening>& openings,
 
             bool side_flag = true;
             if (!is_2d_source) {
-                const IfcVector3& face_nor = ((profile_verts[vi_total+2] - profile_verts[vi_total]) ^
+                const IfcVector3 face_nor = ((profile_verts[vi_total+2] - profile_verts[vi_total]) ^
                     (profile_verts[vi_total+1] - profile_verts[vi_total])).Normalize();
 
                 const IfcFloat abs_dot_face_nor = std::abs(nor * face_nor);
@@ -1692,7 +1692,7 @@ bool TryAddOpenings_Poly2Tri(const std::vector<TempOpening>& openings,const std:
         BOOST_FOREACH(p2t::Triangle* tri, tris) {
             for(int i = 0; i < 3; ++i) {
 
-                const IfcVector2& v = IfcVector2(
+                const IfcVector2 v = IfcVector2(
                     static_cast<IfcFloat>( tri->GetPoint(i)->x ),
                     static_cast<IfcFloat>( tri->GetPoint(i)->y )
                 );