Warnings in appleseed master from g++ 5.2.1

gistfile1.txt

In file included from /home/cessen/Projects/appleseed/appleseed/src/appleseed/foundation/math/bvh.h:36:0,
                 from /home/cessen/Projects/appleseed/appleseed/src/appleseed/renderer/kernel/intersection/curvetree.h:42,
                 from /home/cessen/Projects/appleseed/appleseed/src/appleseed/renderer/kernel/intersection/assemblytree.h:34,
                 from /home/cessen/Projects/appleseed/appleseed/src/appleseed/renderer/kernel/intersection/assemblytree.cpp:31:
/home/cessen/Projects/appleseed/appleseed/src/appleseed/foundation/math/bvh/bvh_intersector.h: In member function ‘void foundation::bvh::Intersector<Tree, Visitor, Ray, StackSize, N>::intersect_no_motion(const Tree&, const RayType&, const RayInfoType&, Visitor&) const [with Tree = renderer::CurveTree; Visitor = renderer::CurveLeafVisitor; Ray = foundation::Ray<float, 3ul>; long unsigned int StackSize = 64ul; long unsigned int N = 3ul; foundation::bvh::Intersector<Tree, Visitor, Ray, StackSize, N>::RayType = foundation::Ray<float, 3ul>; foundation::bvh::Intersector<Tree, Visitor, Ray, StackSize, N>::RayInfoType = foundation::RayInfo<float, 3ul>; typename Tree::NodeType = foundation::bvh::Node<foundation::AABB<float, 3ul> >; typename Tree::NodeType::ValueType = float]’:
/home/cessen/Projects/appleseed/appleseed/src/appleseed/foundation/math/bvh/bvh_intersector.h:196:63: warning: ‘*((void*)& tmin +4)’ may be used uninitialized in this function [-Wmaybe-uninitialized]
                 const int far_index = tmin[0] < tmin[1] ? 1 : 0;
                                                               ^
/home/cessen/Projects/appleseed/appleseed/src/appleseed/foundation/math/bvh/bvh_intersector.h: In member function ‘void foundation::bvh::Intersector<Tree, Visitor, Ray, StackSize, N>::intersect_no_motion(const Tree&, const RayType&, const RayInfoType&, Visitor&) const [with Tree = renderer::CurveTree; Visitor = renderer::CurveLeafProbeVisitor; Ray = foundation::Ray<float, 3ul>; long unsigned int StackSize = 64ul; long unsigned int N = 3ul; foundation::bvh::Intersector<Tree, Visitor, Ray, StackSize, N>::RayType = foundation::Ray<float, 3ul>; foundation::bvh::Intersector<Tree, Visitor, Ray, StackSize, N>::RayInfoType = foundation::RayInfo<float, 3ul>; typename Tree::NodeType = foundation::bvh::Node<foundation::AABB<float, 3ul> >; typename Tree::NodeType::ValueType = float]’:
/home/cessen/Projects/appleseed/appleseed/src/appleseed/foundation/math/bvh/bvh_intersector.h:196:63: warning: ‘*((void*)& tmin +4)’ may be used uninitialized in this function [-Wmaybe-uninitialized]
In file included from /home/cessen/Projects/appleseed/appleseed/src/appleseed/foundation/math/bvh.h:36:0,
                 from /home/cessen/Projects/appleseed/appleseed/src/appleseed/renderer/kernel/intersection/curvetree.h:42,
                 from /home/cessen/Projects/appleseed/appleseed/src/appleseed/renderer/kernel/intersection/intersector.h:34,
                 from /home/cessen/Projects/appleseed/appleseed/src/appleseed/renderer/kernel/intersection/intersector.cpp:31:
/home/cessen/Projects/appleseed/appleseed/src/appleseed/foundation/math/bvh/bvh_intersector.h: In member function ‘void foundation::bvh::Intersector<Tree, Visitor, Ray, StackSize, N>::intersect_no_motion(const Tree&, const RayType&, const RayInfoType&, Visitor&) const [with Tree = renderer::AssemblyTree; Visitor = renderer::AssemblyLeafVisitor; Ray = renderer::ShadingRay; long unsigned int StackSize = 64ul; long unsigned int N = 3ul; foundation::bvh::Intersector<Tree, Visitor, Ray, StackSize, N>::RayType = renderer::ShadingRay; foundation::bvh::Intersector<Tree, Visitor, Ray, StackSize, N>::RayInfoType = foundation::RayInfo<double, 3ul>; typename Tree::NodeType = foundation::bvh::Node<foundation::AABB<double, 3ul> >; typename Tree::NodeType::ValueType = double]’:
/home/cessen/Projects/appleseed/appleseed/src/appleseed/foundation/math/bvh/bvh_intersector.h:196:63: warning: ‘*((void*)& tmin +8)’ may be used uninitialized in this function [-Wmaybe-uninitialized]
                 const int far_index = tmin[0] < tmin[1] ? 1 : 0;
                                                               ^
/home/cessen/Projects/appleseed/appleseed/src/appleseed/foundation/math/bvh/bvh_intersector.h: In member function ‘void foundation::bvh::Intersector<Tree, Visitor, Ray, StackSize, N>::intersect_no_motion(const Tree&, const RayType&, const RayInfoType&, Visitor&) const [with Tree = renderer::AssemblyTree; Visitor = renderer::AssemblyLeafProbeVisitor; Ray = renderer::ShadingRay; long unsigned int StackSize = 64ul; long unsigned int N = 3ul; foundation::bvh::Intersector<Tree, Visitor, Ray, StackSize, N>::RayType = renderer::ShadingRay; foundation::bvh::Intersector<Tree, Visitor, Ray, StackSize, N>::RayInfoType = foundation::RayInfo<double, 3ul>; typename Tree::NodeType = foundation::bvh::Node<foundation::AABB<double, 3ul> >; typename Tree::NodeType::ValueType = double]’:
/home/cessen/Projects/appleseed/appleseed/src/appleseed/foundation/math/bvh/bvh_intersector.h:196:63: warning: ‘*((void*)& tmin +8)’ may be used uninitialized in this function [-Wmaybe-uninitialized]
In file included from /home/cessen/Projects/appleseed/appleseed/src/appleseed/foundation/math/qmc.h:34:0,
                 from /home/cessen/Projects/appleseed/appleseed/src/appleseed/foundation/math/sampling/qmcsamplingcontext.h:38,
                 from /home/cessen/Projects/appleseed/appleseed/src/appleseed/renderer/global/globaltypes.h:39,
                 from /home/cessen/Projects/appleseed/appleseed/src/appleseed/renderer/kernel/intersection/triangleitemhandler.h:34,
                 from /home/cessen/Projects/appleseed/appleseed/src/appleseed/renderer/kernel/intersection/triangleitemhandler.cpp:31:
/home/cessen/Projects/appleseed/appleseed/src/appleseed/foundation/math/vector.h: In function ‘bool foundation::intersect(const foundation::AABB<T, 3ul>&, const foundation::Vector<T, 3ul>&, const foundation::Vector<T, 3ul>&, const foundation::Vector<T, 3ul>&) [with T = double]’:
/home/cessen/Projects/appleseed/appleseed/src/appleseed/foundation/math/vector.h:546:9: warning: ‘*((void*)& pmax +16)’ may be used uninitialized in this function [-Wmaybe-uninitialized]
         result[i] = lhs[i] - rhs[i];
         ^
In file included from /home/cessen/Projects/appleseed/appleseed/src/appleseed/renderer/kernel/intersection/triangleitemhandler.cpp:37:0:
/home/cessen/Projects/appleseed/appleseed/src/appleseed/foundation/math/intersection/aabbtriangle.h:360:24: note: ‘*((void*)& pmax +16)’ was declared here
     Vector<T, 3> pmin, pmax;
                        ^
In file included from /home/cessen/Projects/appleseed/appleseed/src/appleseed/foundation/math/qmc.h:34:0,
                 from /home/cessen/Projects/appleseed/appleseed/src/appleseed/foundation/math/sampling/qmcsamplingcontext.h:38,
                 from /home/cessen/Projects/appleseed/appleseed/src/appleseed/renderer/global/globaltypes.h:39,
                 from /home/cessen/Projects/appleseed/appleseed/src/appleseed/renderer/kernel/intersection/triangleitemhandler.h:34,
                 from /home/cessen/Projects/appleseed/appleseed/src/appleseed/renderer/kernel/intersection/triangleitemhandler.cpp:31:
/home/cessen/Projects/appleseed/appleseed/src/appleseed/foundation/math/vector.h:546:9: warning: ‘*((void*)& pmax +8)’ may be used uninitialized in this function [-Wmaybe-uninitialized]
         result[i] = lhs[i] - rhs[i];
         ^
In file included from /home/cessen/Projects/appleseed/appleseed/src/appleseed/renderer/kernel/intersection/triangleitemhandler.cpp:37:0:
/home/cessen/Projects/appleseed/appleseed/src/appleseed/foundation/math/intersection/aabbtriangle.h:360:24: note: ‘*((void*)& pmax +8)’ was declared here
     Vector<T, 3> pmin, pmax;
                        ^
In file included from /home/cessen/Projects/appleseed/appleseed/src/appleseed/foundation/math/qmc.h:34:0,
                 from /home/cessen/Projects/appleseed/appleseed/src/appleseed/foundation/math/sampling/qmcsamplingcontext.h:38,
                 from /home/cessen/Projects/appleseed/appleseed/src/appleseed/renderer/global/globaltypes.h:39,
                 from /home/cessen/Projects/appleseed/appleseed/src/appleseed/renderer/kernel/intersection/triangleitemhandler.h:34,
                 from /home/cessen/Projects/appleseed/appleseed/src/appleseed/renderer/kernel/intersection/triangleitemhandler.cpp:31:
/home/cessen/Projects/appleseed/appleseed/src/appleseed/foundation/math/vector.h:546:9: warning: ‘pmax’ may be used uninitialized in this function [-Wmaybe-uninitialized]
         result[i] = lhs[i] - rhs[i];
         ^
In file included from /home/cessen/Projects/appleseed/appleseed/src/appleseed/renderer/kernel/intersection/triangleitemhandler.cpp:37:0:
/home/cessen/Projects/appleseed/appleseed/src/appleseed/foundation/math/intersection/aabbtriangle.h:360:24: note: ‘pmax’ was declared here
     Vector<T, 3> pmin, pmax;
                        ^
In file included from /home/cessen/Projects/appleseed/appleseed/src/appleseed/foundation/math/qmc.h:34:0,
                 from /home/cessen/Projects/appleseed/appleseed/src/appleseed/foundation/math/sampling/qmcsamplingcontext.h:38,
                 from /home/cessen/Projects/appleseed/appleseed/src/appleseed/renderer/global/globaltypes.h:39,
                 from /home/cessen/Projects/appleseed/appleseed/src/appleseed/renderer/kernel/intersection/triangleitemhandler.h:34,
                 from /home/cessen/Projects/appleseed/appleseed/src/appleseed/renderer/kernel/intersection/triangleitemhandler.cpp:31:
/home/cessen/Projects/appleseed/appleseed/src/appleseed/foundation/math/vector.h:546:9: warning: ‘*((void*)& pmin +16)’ may be used uninitialized in this function [-Wmaybe-uninitialized]
         result[i] = lhs[i] - rhs[i];
         ^
In file included from /home/cessen/Projects/appleseed/appleseed/src/appleseed/renderer/kernel/intersection/triangleitemhandler.cpp:37:0:
/home/cessen/Projects/appleseed/appleseed/src/appleseed/foundation/math/intersection/aabbtriangle.h:360:18: note: ‘*((void*)& pmin +16)’ was declared here
     Vector<T, 3> pmin, pmax;
                  ^
In file included from /home/cessen/Projects/appleseed/appleseed/src/appleseed/foundation/math/qmc.h:34:0,
                 from /home/cessen/Projects/appleseed/appleseed/src/appleseed/foundation/math/sampling/qmcsamplingcontext.h:38,
                 from /home/cessen/Projects/appleseed/appleseed/src/appleseed/renderer/global/globaltypes.h:39,
                 from /home/cessen/Projects/appleseed/appleseed/src/appleseed/renderer/kernel/intersection/triangleitemhandler.h:34,
                 from /home/cessen/Projects/appleseed/appleseed/src/appleseed/renderer/kernel/intersection/triangleitemhandler.cpp:31:
/home/cessen/Projects/appleseed/appleseed/src/appleseed/foundation/math/vector.h:546:9: warning: ‘*((void*)& pmin +8)’ may be used uninitialized in this function [-Wmaybe-uninitialized]
         result[i] = lhs[i] - rhs[i];
         ^
In file included from /home/cessen/Projects/appleseed/appleseed/src/appleseed/renderer/kernel/intersection/triangleitemhandler.cpp:37:0:
/home/cessen/Projects/appleseed/appleseed/src/appleseed/foundation/math/intersection/aabbtriangle.h:360:18: note: ‘*((void*)& pmin +8)’ was declared here
     Vector<T, 3> pmin, pmax;
                  ^
In file included from /home/cessen/Projects/appleseed/appleseed/src/appleseed/foundation/math/qmc.h:34:0,
                 from /home/cessen/Projects/appleseed/appleseed/src/appleseed/foundation/math/sampling/qmcsamplingcontext.h:38,
                 from /home/cessen/Projects/appleseed/appleseed/src/appleseed/renderer/global/globaltypes.h:39,
                 from /home/cessen/Projects/appleseed/appleseed/src/appleseed/renderer/kernel/intersection/triangleitemhandler.h:34,
                 from /home/cessen/Projects/appleseed/appleseed/src/appleseed/renderer/kernel/intersection/triangleitemhandler.cpp:31:
/home/cessen/Projects/appleseed/appleseed/src/appleseed/foundation/math/vector.h:546:9: warning: ‘pmin’ may be used uninitialized in this function [-Wmaybe-uninitialized]
         result[i] = lhs[i] - rhs[i];
         ^
In file included from /home/cessen/Projects/appleseed/appleseed/src/appleseed/renderer/kernel/intersection/triangleitemhandler.cpp:37:0:
/home/cessen/Projects/appleseed/appleseed/src/appleseed/foundation/math/intersection/aabbtriangle.h:360:18: note: ‘pmin’ was declared here
     Vector<T, 3> pmin, pmax;