Debugger: make debug code on-stack replacement more robust.

src/x64/full-codegen-x64.cc

Index: src/x64/full-codegen-x64.cc
diff --git a/src/x64/full-codegen-x64.cc b/src/x64/full-codegen-x64.cc
index 1bcbdfe59999528f1693f2395f0edec2906ea7b4..eb12a4758d805528329126ad00e0c923bbf1bc05 100644
--- a/src/x64/full-codegen-x64.cc
+++ b/src/x64/full-codegen-x64.cc
@@ -2126,8 +2126,8 @@ void FullCodeGenerator::VisitYield(Yield* expr) {
       Label suspend, continuation, post_runtime, resume;
 
       __ jmp(&suspend);
-
       __ bind(&continuation);
+      __ RecordGeneratorContinuation();
       __ jmp(&resume);
 
       __ bind(&suspend);
@@ -2201,9 +2201,12 @@ void FullCodeGenerator::VisitYield(Yield* expr) {
       EnterTryBlock(handler_index, &l_catch);
       const int try_block_size = TryCatch::kElementCount * kPointerSize;
       __ Push(rax);                                      // result
+
       __ jmp(&l_suspend);
       __ bind(&l_continuation);
+      __ RecordGeneratorContinuation();
       __ jmp(&l_resume);
+
       __ bind(&l_suspend);
       const int generator_object_depth = kPointerSize + try_block_size;
       __ movp(rax, Operand(rsp, generator_object_depth));