Changed the warning to error.

The nullptr clone_output_iterm is very unlikely to occur.

Signed-off-by: Jaehyun Kim <[email protected]>

Author: jhkim-pii

src/rsz/src/CloneMove.cc

@@ -249,14 +249,13 @@ bool CloneMove::doMove(const Path* drvr_path,
 
   odb::dbITerm* clone_output_iterm = db_network_->flatPin(clone_output_pin);
   if (clone_output_iterm == nullptr) {
-    logger_->warn(
+    logger_->error(
         RSZ,
         100,
-        "Cloning dbITerm failed. Driver pin: {}, Clone "
-        "output pin: {}",
+        "Cannot find output pin of the clone instance. Driver pin: {}, "
+        "Clone output pin: {}",
         (drvr_pin) ? network_->pathName(drvr_pin) : "Null",
         (clone_output_pin) ? network_->pathName(clone_output_pin) : "Null");
-    return false;
   }
 
   // Divide the list of pins in half and connect them to the new net we