Try to fix opensuse, gcc 11.0.0 build

[simgrid.git] / src / s4u / s4u_Link.cpp

diff --git a/src/s4u/s4u_Link.cpp b/src/s4u/s4u_Link.cpp
index 65d544b..cd3b19a 100644 (file)
--- a/src/s4u/s4u_Link.cpp
+++ b/src/s4u/s4u_Link.cpp
@@ -195,12 +195,16 @@ Link* Link::set_properties(const std::unordered_map<std::string, std::string>& p
 
 Link* SplitDuplexLink::get_link_up() const
 {
-  return dynamic_cast<kernel::resource::SplitDuplexLinkImpl*>(pimpl_)->get_link_up();
+  kernel::resource::SplitDuplexLinkImpl* pimpl = dynamic_cast<kernel::resource::SplitDuplexLinkImpl*>(pimpl_);
+  xbt_assert(pimpl, "Requesting link_up from a non split-duplex link: %s", get_cname());
+  return pimpl->get_link_up();
 }
 
 Link* SplitDuplexLink::get_link_down() const
 {
-  return dynamic_cast<kernel::resource::SplitDuplexLinkImpl*>(pimpl_)->get_link_down();
+  kernel::resource::SplitDuplexLinkImpl* pimpl = dynamic_cast<kernel::resource::SplitDuplexLinkImpl*>(pimpl_);
+  xbt_assert(pimpl, "Requesting link_down from a non split-duplex link: %s", get_cname());
+  return pimpl->get_link_down();
 }
 
 SplitDuplexLink* SplitDuplexLink::by_name(const std::string& name)