Change return value of ObjectStore::PreallocateObjects to return the error object or null instead o…

runtime/vm/object_store.cc

Index: runtime/vm/object_store.cc
diff --git a/runtime/vm/object_store.cc b/runtime/vm/object_store.cc
index a3bfae94b39310bd6f4e735b2b8939f42a316f0f..a0feb38bb8eea238f547e4fc1fe72a674e12dda4 100644
--- a/runtime/vm/object_store.cc
+++ b/runtime/vm/object_store.cc
@@ -118,7 +118,7 @@ void ObjectStore::Init(Isolate* isolate) {
 }
 
 
-bool ObjectStore::PreallocateObjects() {
+RawError* ObjectStore::PreallocateObjects() {
   Thread* thread = Thread::Current();
   Isolate* isolate = thread->isolate();
   Zone* zone = thread->zone();
@@ -126,7 +126,7 @@ bool ObjectStore::PreallocateObjects() {
   if (this->stack_overflow() != Instance::null()) {
     ASSERT(this->out_of_memory() != Instance::null());
     ASSERT(this->preallocated_stack_trace() != Stacktrace::null());
-    return true;
+    return Error::null();
   }
   ASSERT(this->stack_overflow() == Instance::null());
   ASSERT(this->out_of_memory() == Instance::null());
@@ -147,7 +147,7 @@ bool ObjectStore::PreallocateObjects() {
                                             Symbols::Dot(),
                                             Object::empty_array());
   if (result.IsError()) {
-    return false;
+    return Error::Cast(result).raw();
   }
   set_stack_overflow(Instance::Cast(result));
 
@@ -156,7 +156,7 @@ bool ObjectStore::PreallocateObjects() {
                                             Symbols::Dot(),
                                             Object::empty_array());
   if (result.IsError()) {
-    return false;
+    return Error::Cast(result).raw();
   }
   set_out_of_memory(Instance::Cast(result));
 
@@ -178,7 +178,7 @@ bool ObjectStore::PreallocateObjects() {
   stack_trace.set_expand_inlined(false);
   set_preallocated_stack_trace(stack_trace);
 
-  return true;
+  return Error::null();
 }