better handling for MPI_COMM_UNINITIALIZED to please asan

[simgrid.git] / src / smpi / smpi_comm.hpp

diff --git a/src/smpi/smpi_comm.hpp b/src/smpi/smpi_comm.hpp
index 1b71731..e8773ec 100644 (file)
--- a/src/smpi/smpi_comm.hpp
+++ b/src/smpi/smpi_comm.hpp
@@ -29,7 +29,7 @@ class Comm {
     xbt_dict_t m_attributes;
 
   public:
-
+    Comm();
     Comm(MPI_Group group, MPI_Topology topo);
 
     void destroy();