Add support for object pool

runtime/vm/instructions_mips.cc

Index: runtime/vm/instructions_mips.cc
===================================================================
--- runtime/vm/instructions_mips.cc	(revision 18603)
+++ runtime/vm/instructions_mips.cc	(working copy)
@@ -16,17 +16,30 @@
 }
 
 
-uword CallOrJumpPattern::TargetAddress() const {
+uword CallPattern::TargetAddress() const {
   UNIMPLEMENTED();
   return 0;
 }
 
 
-void CallOrJumpPattern::SetTargetAddress(uword target) const {
+uword JumpPattern::TargetAddress() const {
   UNIMPLEMENTED();
+  return 0;
 }
 
 
+
+void CallPattern::SetTargetAddress(uword target) const {
+  UNIMPLEMENTED();
+}
+
+
+void JumpPattern::SetTargetAddress(uword target) const {
+  UNIMPLEMENTED();
+}
+
+
+
 const int* CallPattern::pattern() const {
   UNIMPLEMENTED();
   return NULL;