[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 676c74baa40fe93347d7fea24914c825d994cfef..5d9b54853a19d78bf41bfe65ab9320ba04aa97b7 100644
--- a/src/compiler/bytecode-graph-builder.cc
+++ b/src/compiler/bytecode-graph-builder.cc
@@ -1392,6 +1392,11 @@ 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());