Support untagged object pool entries.

runtime/vm/stack_frame.cc

Index: runtime/vm/stack_frame.cc
diff --git a/runtime/vm/stack_frame.cc b/runtime/vm/stack_frame.cc
index 2f3480ac3b04422c1aabb0efce925826924212c2..a8ceedf53a7d678b0a839b688e3a5719b05925a7 100644
--- a/runtime/vm/stack_frame.cc
+++ b/runtime/vm/stack_frame.cc
@@ -434,7 +434,7 @@ InlinedFunctionsIterator::InlinedFunctionsIterator(const Code& code, uword pc)
     function_(Function::Handle()),
     pc_(pc),
     deopt_instructions_(),
-    object_table_(Array::Handle()) {
+    object_table_(ObjectPool::Handle()) {
   ASSERT(code_.is_optimized());
   ASSERT(pc_ != 0);
   ASSERT(code.ContainsInstructionAt(pc));
@@ -452,7 +452,7 @@ InlinedFunctionsIterator::InlinedFunctionsIterator(const Code& code, uword pc)
     ASSERT(!deopt_table.IsNull());
     DeoptInfo::Unpack(deopt_table, deopt_info_, &deopt_instructions_);
     num_materializations_ = DeoptInfo::NumMaterializations(deopt_instructions_);
-    object_table_ = code_.ObjectPool();
+    object_table_ = code_.GetObjectPool();
     Advance();
   }
 }