Allowing for dangling references...

Reviewed By: amnn Differential Revision: D28047606 fbshipit-source-id: df1257730b6458f475e6d0684ad0549eb42b3aef
yymzy · Apr 29, 2021 · 083ab4e · 083ab4e
1 parent b0ed209
commit 083ab4e
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/service/constant-propagation/IPConstantPropagationAnalysis.cpp b/service/constant-propagation/IPConstantPropagationAnalysis.cpp
@@ -46,6 +46,11 @@ void FixpointIterator::analyze_node(call_graph::NodeId const& node,
   if (code == nullptr) {
     return;
   }
+  if (!code->cfg_built()) {
+    // This can happen when there are dangling references to methods that can
+    // never run.
+    return;
+  }
   auto& cfg = code->cfg();
   auto intra_cp = get_intraprocedural_analysis(method);
   const auto outgoing_edges =