Prepare for white allocation during gc (5/9): SharedInternalClassData

Employ the new WriteBarrier::Pointer to ensure that MemberData is always
protected.

Change-Id: I3a6d0fddc8fc6d2056023da35c11559bb7701401
Reviewed-by: Olivier De Cannière <olivier.decanniere@qt.io>
Reviewed-by: Sami Shalayel <sami.shalayel@qt.io>
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>

1 files changed, 2 insertions, 2 deletions

diff --git a/src/qml/jsruntime/qv4internalclass_p.h b/src/qml/jsruntime/qv4internalclass_p.h
index 68c0fe57a0..56ce787859 100644
--- a/src/qml/jsruntime/qv4internalclass_p.h
+++ b/src/qml/jsruntime/qv4internalclass_p.h
@@ -177,7 +177,7 @@ private:
 
 template<>
 struct SharedInternalClassDataPrivate<PropertyKey> {
-    SharedInternalClassDataPrivate(ExecutionEngine *e) : refcount(1), engine(e), data(nullptr) {}
+    SharedInternalClassDataPrivate(ExecutionEngine *e) : refcount(1), engine(e) {}
     SharedInternalClassDataPrivate(const SharedInternalClassDataPrivate &other);
     SharedInternalClassDataPrivate(const SharedInternalClassDataPrivate &other, uint pos, PropertyKey value);
     ~SharedInternalClassDataPrivate() {}
@@ -198,7 +198,7 @@ struct SharedInternalClassDataPrivate<PropertyKey> {
     int refcount = 1;
 private:
     ExecutionEngine *engine;
-    Heap::MemberData *data;
+    WriteBarrier::Pointer<Heap::MemberData> data;
 };
 
 template<typename StringOrSymbol>