mpl2: avoid setting inst property of clusters that have no children d…

…uring mixed leaves splitting Signed-off-by: Arthur Koucher <arthurckoucher@gmail.com>
AcKoucher · Jan 22, 2024 · 295e077 · 295e077
1 parent 5934d87
commit 295e077
Showing 1 changed file with 7 additions and 5 deletions.
diff --git a/src/mpl2/src/hier_rtlmp.cpp b/src/mpl2/src/hier_rtlmp.cpp
@@ -2248,13 +2248,15 @@ void HierRTLMP::breakMixedLeaves(
     const std::vector<std::vector<Cluster*>>& mixed_leaves)
 {
   for (const std::vector<Cluster*>& sister_mixed_leaves : mixed_leaves) {
-    Cluster* parent = sister_mixed_leaves[0]->getParent();
+    if (!sister_mixed_leaves.empty()) {
+      Cluster* parent = sister_mixed_leaves.front()->getParent();
 
-    for (Cluster* mixed_leaf : sister_mixed_leaves) {
-      breakMixedLeaf(mixed_leaf);
-    }
+      for (Cluster* mixed_leaf : sister_mixed_leaves) {
+        breakMixedLeaf(mixed_leaf);
+      }
 
-    setInstProperty(parent);
+      setInstProperty(parent);
+    }
   }
 }