Insert missing write barrier in sliced string allocation.

src/objects-inl.h

Index: src/objects-inl.h
diff --git a/src/objects-inl.h b/src/objects-inl.h
index 6dd2a99518753b694a64e44b9848d0c9713a4935..31ae7b72e2ba3edfee06d87db871543f96035276 100644
--- a/src/objects-inl.h
+++ b/src/objects-inl.h
@@ -2437,6 +2437,8 @@ String* SlicedString::parent() {
 void SlicedString::set_parent(String* parent) {
   ASSERT(parent->IsSeqString() || parent->IsExternalString());
   WRITE_FIELD(this, kParentOffset, parent);
+  WriteBarrierMode mode = UPDATE_WRITE_BARRIER;

[Michael Starzinger, 2012/07/17 12:38:45]

Can we pass in the WriteBarrierMode as a parameter with a default value? This
would be in sync with the other setters.

+  CONDITIONAL_WRITE_BARRIER(GetHeap(), this, kParentOffset, parent, mode);
 }