Add support for OSR in kernel-based FlowGraphBuilder

runtime/vm/intermediate_language.h

Index: runtime/vm/intermediate_language.h
diff --git a/runtime/vm/intermediate_language.h b/runtime/vm/intermediate_language.h
index 8e7241a16ea15156018d79c145338e69f52eb7ea..57b98b75071a22271a6713d9e30180bba30b6b22 100644
--- a/runtime/vm/intermediate_language.h
+++ b/runtime/vm/intermediate_language.h
@@ -1176,8 +1176,7 @@ class BlockEntryInstr : public Instruction {
 
   // Perform a depth first search to prune code not reachable from an OSR
   // entry point.
-  bool PruneUnreachable(FlowGraphBuilder* builder,
-                        GraphEntryInstr* graph_entry,
+  bool PruneUnreachable(GraphEntryInstr* graph_entry,
                         Instruction* parent,
                         intptr_t osr_id,
                         BitVector* block_marks);