Call log_error() instead of log_warning() on unsupported cell type in FIRRTL backend.

diff --git a/backends/firrtl/firrtl.cc b/backends/firrtl/firrtl.cc
index 1c7a7351fba0157fbefb7445159fe2d718d006c5..b7a798b85254e59b493d5c1231d326f03f2e8f0d 100644 (file)
--- a/backends/firrtl/firrtl.cc
+++ b/backends/firrtl/firrtl.cc
@@ -833,7 +833,7 @@ struct FirrtlWorker
                                register_reverse_wire_map(y_id, cell->getPort("\\Y"));
                                continue;
                        }
-                       log_warning("Cell type not supported: %s (%s.%s)\n", log_id(cell->type), log_id(module), log_id(cell));
+                       log_error("Cell type not supported: %s (%s.%s)\n", log_id(cell->type), log_id(module), log_id(cell));
                }
 
                for (auto conn : module->connections())