Pass new pool pointer to the JumpToException stub instead of reloading in through the frame's Code …

runtime/vm/stack_frame.h

Index: runtime/vm/stack_frame.h
diff --git a/runtime/vm/stack_frame.h b/runtime/vm/stack_frame.h
index 268ca4a9998819930ed8b30b3cb92ef2bab75a7e..15c8831b71820ce63e021b979590e6644debd449 100644
--- a/runtime/vm/stack_frame.h
+++ b/runtime/vm/stack_frame.h
@@ -60,6 +60,16 @@ class StackFrame : public ValueObject {
         code;
   }
 
+#if !defined(TARGET_ARCH_IA32) && !defined(TARGET_ARCH_DBC)
+  uword* saved_caller_pp_slot() const {
+    return reinterpret_cast<uword*>(fp() +
+      SavedCallerPpSlotFromFp() * kWordSize);
+  }
+  uword saved_caller_pp() const {

[Florian Schneider, 2016/09/28 01:30:36]

Since you store the slot, this getter would not needed anymore.

[rmacnak, 2016/09/28 17:15:56]

Done.

+    return *saved_caller_pp_slot();
+  }
+#endif
+
   // Visit objects in the frame.
   virtual void VisitObjectPointers(ObjectPointerVisitor* visitor);