Do not materialize uninitialized const for debug evaluate.

src/runtime.cc

Index: src/runtime.cc
diff --git a/src/runtime.cc b/src/runtime.cc
index 56aa19ef0eec91a3b94a4c4e2691a4cd3baca6e4..10de6f9e5ec001c595a0b86632599f9be9a22074 100644
--- a/src/runtime.cc
+++ b/src/runtime.cc
@@ -11227,6 +11227,7 @@ static Handle<JSObject> MaterializeStackLocalsWithFrameInspector(
                              ? frame_inspector->GetParameter(i)
                              : isolate->heap()->undefined_value(),
                          isolate);
+    ASSERT(!value->IsTheHole());
 
     RETURN_IF_EMPTY_HANDLE_VALUE(
         isolate,
@@ -11241,12 +11242,15 @@ static Handle<JSObject> MaterializeStackLocalsWithFrameInspector(
 
   // Second fill all stack locals.
   for (int i = 0; i < scope_info->StackLocalCount(); ++i) {
+    Handle<Object> value(frame_inspector->GetExpression(i), isolate);
+    if (value->IsTheHole()) continue;
+
     RETURN_IF_EMPTY_HANDLE_VALUE(
         isolate,
         SetProperty(isolate,
                     target,
                     Handle<String>(scope_info->StackLocalName(i)),
-                    Handle<Object>(frame_inspector->GetExpression(i), isolate),
+                    value,
                     NONE,
                     kNonStrictMode),
         Handle<JSObject>());
@@ -11273,6 +11277,7 @@ static void UpdateStackLocalsFromMaterializedObject(Isolate* isolate,
 
   // Parameters.
   for (int i = 0; i < scope_info->ParameterCount(); ++i) {
+    ASSERT(!frame->GetParameter(i)->IsTheHole());
     HandleScope scope(isolate);
     Handle<Object> value = GetProperty(
         isolate, target, Handle<String>(scope_info->ParameterName(i)));
@@ -11281,6 +11286,7 @@ static void UpdateStackLocalsFromMaterializedObject(Isolate* isolate,
 
   // Stack locals.
   for (int i = 0; i < scope_info->StackLocalCount(); ++i) {
+    if (frame->GetExpression(i)->IsTheHole()) continue;
     HandleScope scope(isolate);
     Handle<Object> value = GetProperty(
         isolate, target, Handle<String>(scope_info->StackLocalName(i)));