Fix issue 1023:

vm/object.cc

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/object.h"
 
 #include "vm/assembler.h"
 #include "vm/assert.h"
 #include "vm/bigint_operations.h"
 #include "vm/bootstrap.h"
 #include "vm/code_generator.h"
 #include "vm/code_index_table.h"
 #include "vm/code_patcher.h"
 #include "vm/compiler.h"
 #include "vm/compiler_stats.h"
 #include "vm/class_finalizer.h"
 #include "vm/dart.h"
 #include "vm/debuginfo.h"
+#include "vm/exceptions.h"
 #include "vm/growable_array.h"
 #include "vm/heap.h"
 #include "vm/ic_data.h"
 #include "vm/object_store.h"
 #include "vm/parser.h"
 #include "vm/runtime_entry.h"
 #include "vm/scopes.h"
 #include "vm/timer.h"
 #include "vm/unicode.h"
 
@@ skipping 685 matching lines @@
 
 
 RawObject* Object::Allocate(const Class& cls,
                             intptr_t size,
                             Heap::Space space) {
   Isolate* isolate = Isolate::Current();
   Heap* heap = isolate->heap();
 
   // TODO(iposva): Get a proper halt instruction from the assembler.
   uword address = heap->Allocate(size, space);
+  if (address == 0) {
+    // Use the preallocated out of memory exception to avoid calling
+    // into dart code or allocating any code.
+    const Instance& exception =
+        Instance::Handle(isolate->object_store()->out_of_memory());
+    Exceptions::Throw(exception);
+    UNREACHABLE();
+  }
   NoGCScope no_gc;
   InitializeObject(address, size);
   RawObject* raw_obj = reinterpret_cast<RawObject*>(address + kHeapObjectTag);
   raw_obj->ptr()->class_ = cls.raw();
   raw_obj->ptr()->tags_ = 0;
   return raw_obj;
 }
 
 
 RawString* Class::Name() const {
@@ skipping 6757 matching lines @@
   const String& str = String::Handle(pattern());
   const char* format = "JSRegExp: pattern=%s flags=%s";
   intptr_t len = OS::SNPrint(NULL, 0, format, str.ToCString(), Flags());
   char* chars = reinterpret_cast<char*>(
       Isolate::Current()->current_zone()->Allocate(len + 1));
   OS::SNPrint(chars, (len + 1), format, str.ToCString(), Flags());
   return chars;
 }
 
 }  // namespace dart