PPC: Merge cellspace into old pointer space

src/ppc/code-stubs-ppc.cc

Index: src/ppc/code-stubs-ppc.cc
diff --git a/src/ppc/code-stubs-ppc.cc b/src/ppc/code-stubs-ppc.cc
index 788db71811efd46fc1c5ab3308d4997f191ba753..f7c8e65a06a2de4298061a61ac1c74de49abfe0c 100644
--- a/src/ppc/code-stubs-ppc.cc
+++ b/src/ppc/code-stubs-ppc.cc
@@ -1404,6 +1404,11 @@ void InstanceofStub::Generate(MacroAssembler* masm) {
     // Get the map location in r8 and patch it.
     __ GetRelocatedValue(inline_site, offset, scratch);
     __ StoreP(map, FieldMemOperand(offset, Cell::kValueOffset), r0);
+
+    __ mr(r10, map);
+    __ RecordWriteField(offset, Cell::kValueOffset, r10, function,
+                        kLRHasNotBeenSaved, kDontSaveFPRegs,
+                        OMIT_REMEMBERED_SET, OMIT_SMI_CHECK);
   }
 
   // Register mapping: r6 is object map and r7 is function prototype.