Move prototype pointer into QV4::InternalClass

The prototype is actually the same for most objects. By
moving it into the internal class, we can save 8 bytes
per object, as well as allowing for some future
optimizations.

Also fix a bug in the implementation of the Error
prototype objects.

Change-Id: I4d4b641055f644a9b088f27be34bfdb0446279b7
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/src/qml/jsruntime/qv4regexpobject_p.h b/src/qml/jsruntime/qv4regexpobject_p.h
index 2179dbdb7d..6c4f12c1e4 100644
--- a/src/qml/jsruntime/qv4regexpobject_p.h
+++ b/src/qml/jsruntime/qv4regexpobject_p.h
@@ -77,6 +77,8 @@ struct RegExpObject: Object {
     RegExp* value;
     Property *lastIndexProperty(ExecutionContext *ctx);
     bool global;
+
+    RegExpObject(InternalClass *ic);
     RegExpObject(ExecutionEngine *engine, RegExp* value, bool global);
     RegExpObject(ExecutionEngine *engine, const QRegExp &re);
     ~RegExpObject() {}
@@ -107,7 +109,7 @@ protected:
 
 struct RegExpPrototype: RegExpObject
 {
-    RegExpPrototype(ExecutionEngine* engine): RegExpObject(engine, RegExp::create(engine, QString()), false) {}
+    RegExpPrototype(InternalClass *ic): RegExpObject(ic) {}
     void init(ExecutionContext *ctx, const Value &ctor);
 
     static Value method_exec(SimpleCallContext *ctx);