Introduce code flushing of RegExp code.

src/objects-debug.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 448 matching lines @@
     case JSRegExp::ATOM: {
       FixedArray* arr = FixedArray::cast(data());
       ASSERT(arr->get(JSRegExp::kAtomPatternIndex)->IsString());
       break;
     }
     case JSRegExp::IRREGEXP: {
       bool is_native = RegExpImpl::UsesNativeRegExp();
 
       FixedArray* arr = FixedArray::cast(data());
       Object* ascii_data = arr->get(JSRegExp::kIrregexpASCIICodeIndex);
-      // TheHole : Not compiled yet.
+      // Smi : Not compiled yet (-1) or code prepared for flushing.
       // JSObject: Compilation error.
       // Code/ByteArray: Compiled code.
-      ASSERT(ascii_data->IsTheHole() || ascii_data->IsJSObject() ||
-          (is_native ? ascii_data->IsCode() : ascii_data->IsByteArray()));
+      ASSERT(ascii_data->IsSmi() || ascii_data->IsJSObject() ||
+             (is_native ? ascii_data->IsCode() : ascii_data->IsByteArray()));
       Object* uc16_data = arr->get(JSRegExp::kIrregexpUC16CodeIndex);
-      ASSERT(uc16_data->IsTheHole() || uc16_data->IsJSObject() ||
-          (is_native ? uc16_data->IsCode() : uc16_data->IsByteArray()));
+      ASSERT(uc16_data->IsSmi() || uc16_data->IsJSObject() ||
+             (is_native ? uc16_data->IsCode() : uc16_data->IsByteArray()));
+
+      Object* ascii_saved = arr->get(JSRegExp::kIrregexpASCIICodeSavedIndex);
+      ASSERT(ascii_saved->IsSmi() || ascii_saved->IsJSObject() ||

[Erik Corry, 2011/07/01 10:26:38]

Should be IsString!

+             ascii_saved->IsCode());
+      Object* uc16_saved = arr->get(JSRegExp::kIrregexpUC16CodeSavedIndex);
+      ASSERT(uc16_saved->IsSmi() || uc16_saved->IsJSObject() ||
+             uc16_saved->IsCode());
+
       ASSERT(arr->get(JSRegExp::kIrregexpCaptureCountIndex)->IsSmi());
       ASSERT(arr->get(JSRegExp::kIrregexpMaxRegisterCountIndex)->IsSmi());
       break;
     }
     default:
       ASSERT_EQ(JSRegExp::NOT_COMPILED, TypeTag());
       ASSERT(data()->IsUndefined());
       break;
   }
 }
@@ skipping 264 matching lines @@
         ASSERT(e->IsUndefined());
       }
     }
   }
 }
 
 
 #endif  // DEBUG
 
 } }  // namespace v8::internal