[liveedit] reimplement frame restarting.

src/interpreter/interpreter.cc

Index: src/interpreter/interpreter.cc
diff --git a/src/interpreter/interpreter.cc b/src/interpreter/interpreter.cc
index 60c5e595afa004eb8f1e4d1b5f1126492d376cee..a670ceedd6d02789082c07c8b11ed0d568cc9e6f 100644
--- a/src/interpreter/interpreter.cc
+++ b/src/interpreter/interpreter.cc
@@ -2984,6 +2984,7 @@ void Interpreter::DoReturn(InterpreterAssembler* assembler) {
 void Interpreter::DoDebugger(InterpreterAssembler* assembler) {
   Node* context = __ GetContext();
   __ CallRuntime(Runtime::kHandleDebuggerStatement, context);
+  __ MaybeDropFrames(context);
   __ Dispatch();
 }
 
@@ -2996,6 +2997,7 @@ void Interpreter::DoDebugger(InterpreterAssembler* assembler) {
     Node* accumulator = __ GetAccumulator();                                  \
     Node* original_handler =                                                  \
         __ CallRuntime(Runtime::kDebugBreakOnBytecode, context, accumulator); \
+    __ MaybeDropFrames(context);                                              \
     __ DispatchToBytecodeHandler(original_handler);                           \
   }
 DEBUG_BREAK_BYTECODE_LIST(DEBUG_BREAK);