[debugger] fix stepping over await calls for ignition generators.

src/runtime/runtime-generator.cc

Index: src/runtime/runtime-generator.cc
diff --git a/src/runtime/runtime-generator.cc b/src/runtime/runtime-generator.cc
index 19f57d79231dda4759eb184380bbddf99016a95a..493e5b5a9c7935f2644ab09b730998d4fffe76a7 100644
--- a/src/runtime/runtime-generator.cc
+++ b/src/runtime/runtime-generator.cc
@@ -53,9 +53,7 @@ RUNTIME_FUNCTION(Runtime_SuspendJSGeneratorObject) {
   DCHECK(frame->function()->shared()->is_compiled());
   DCHECK(!frame->function()->IsOptimized());
 
-  if (generator_object->function()->shared()->is_async()) {
-    isolate->debug()->RecordAsyncFunction(generator_object);
-  }
+  isolate->debug()->RecordAsyncFunction(generator_object);
 
   // The caller should have saved the context and continuation already.
   DCHECK_EQ(generator_object->context(), Context::cast(frame->context()));