WIP SharedArrayBuffer implementation

test/cctest/cctest.cc

Index: test/cctest/cctest.cc
diff --git a/test/cctest/cctest.cc b/test/cctest/cctest.cc
index 08fb01bc291860c01071bafd35f11b00ae01afd5..b8c77fcb8d1c4deba40a11caf02a10a0b982006b 100644
--- a/test/cctest/cctest.cc
+++ b/test/cctest/cctest.cc
@@ -141,6 +141,14 @@ class CcTestArrayBufferAllocator : public v8::ArrayBuffer::Allocator {
 };
 
 
+class CcTestSharedArrayBufferAllocator
+    : public v8::SharedArrayBuffer::Allocator {
+  virtual void* Allocate(size_t length) { return malloc(length); }
+  virtual void* AllocateUninitialized(size_t length) { return malloc(length); }
+  virtual void Free(void* data, size_t length) { free(data); }
+};
+
+
 static void SuggestTestHarness(int tests) {
   if (tests == 0) return;
   printf("Running multiple tests in sequence is deprecated and may cause "
@@ -177,6 +185,9 @@ int main(int argc, char* argv[]) {
   CcTestArrayBufferAllocator array_buffer_allocator;
   v8::V8::SetArrayBufferAllocator(&array_buffer_allocator);
 
+  CcTestSharedArrayBufferAllocator shared_array_buffer_allocator;
+  v8::V8::SetSharedArrayBufferAllocator(&shared_array_buffer_allocator);
+
   i::PrintExtension print_extension;
   v8::RegisterExtension(&print_extension);
   i::ProfilerExtension profiler_extension;