Improve memory usage of receiver type feedback.

src/stub-cache.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 11 matching lines @@
 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #include "v8.h"
 
 #include "api.h"
 #include "arguments.h"
+#include "ast.h"
 #include "code-stubs.h"
 #include "gdb-jit.h"
 #include "ic-inl.h"
 #include "stub-cache.h"
 #include "vm-state-inl.h"
 
 namespace v8 {
 namespace internal {
 
 // -----------------------------------------------------------------------
@@ skipping 1112 matching lines @@
         Builtins::kIllegal);
   }
   for (int j = 0; j < kSecondaryTableSize; j++) {
     secondary_[j].key = heap()->empty_string();
     secondary_[j].value = isolate_->builtins()->builtin(
         Builtins::kIllegal);
   }
 }
 
 
-void StubCache::CollectMatchingMaps(ZoneMapList* types,
+void StubCache::CollectMatchingMaps(SmallMapList* types,
                                     String* name,
                                     Code::Flags flags) {
   for (int i = 0; i < kPrimaryTableSize; i++) {
     if (primary_[i].key == name) {
       Map* map = primary_[i].value->FindFirstMap();
       // Map can be NULL, if the stub is constant function call
       // with a primitive receiver.
       if (map == NULL) continue;
 
       int offset = PrimaryOffset(name, flags, map);
@@ skipping 710 matching lines @@
       expected_receiver_type_ =
           FunctionTemplateInfo::cast(signature->receiver());
     }
   }
 
   is_simple_api_call_ = true;
 }
 
 
 } }  // namespace v8::internal