Save/restore only live registers in the generator suspend/resume.

src/compiler/bytecode-analysis.h

Index: src/compiler/bytecode-analysis.h
diff --git a/src/compiler/bytecode-analysis.h b/src/compiler/bytecode-analysis.h
index 63dfa3107c58c5a7ccf444004a806ad32ce33e9c..68433a415528906935925230cc7fffd5dbed0c64 100644
--- a/src/compiler/bytecode-analysis.h
+++ b/src/compiler/bytecode-analysis.h
@@ -24,8 +24,7 @@ class V8_EXPORT_PRIVATE BytecodeLoopAssignments {
   BytecodeLoopAssignments(int parameter_count, int register_count, Zone* zone);
 
   void Add(interpreter::Register r);
-  void AddPair(interpreter::Register r);
-  void AddTriple(interpreter::Register r);
+  void AddList(interpreter::Register r, uint32_t count);
   void AddAll();
   void Union(const BytecodeLoopAssignments& other);