[interpreter] Add explicit OSR polling bytecode.

src/compiler/bytecode-graph-builder.cc

Index: src/compiler/bytecode-graph-builder.cc
diff --git a/src/compiler/bytecode-graph-builder.cc b/src/compiler/bytecode-graph-builder.cc
index 9ff111722063c8d9c50eddcc73b0ed2ac008abe9..ca3263cfdb15b59e891a7eb3eac27e2ae88f4258 100644
--- a/src/compiler/bytecode-graph-builder.cc
+++ b/src/compiler/bytecode-graph-builder.cc
@@ -1391,6 +1391,11 @@ void BytecodeGraphBuilder::VisitStackCheck() {
   environment()->RecordAfterState(node, &states);
 }
 
+void BytecodeGraphBuilder::VisitOsrPoll() {
+  // TODO(4764): Implement OSR graph construction. Not marked UNIMPLEMENTED to
+  // ensure the --ignition-osr flag can already be fuzzed without crashing.
+}
+
 void BytecodeGraphBuilder::VisitReturn() {
   Node* control =
       NewNode(common()->Return(), environment()->LookupAccumulator());