Fix wrong error marker for Imrecv local concurrency tests

This marks `MPI_Imrecv` as error source instead of the `MPI_Mprobe` call for the local concurrency issue.

scripts/errors/pt2pt/LocalConcurrency.py

@@ -55,9 +55,14 @@ class LocalConcurrencyErrorP2P(ErrorGenerator):
             if check_receive:
                 kind = 0
             conflicting_inst.set_rank_executing(kind)
+
+            if recv_func != "mpi_imrecv":
                 for c in tm.get_instruction("MPICALL", return_list=True):
                     if c.get_rank_executing() == kind:
                         c.set_has_error()
+            else:
+                tm.get_instruction("MATCHEDRECEIVE").set_has_error()
+
 
             for c in tm.get_instruction("WAIT", return_list=True):
                 if c.get_rank_executing() == kind: