[debugger] fix debug-evaluate wrt shadowed context var.

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index d139f326ec209015bf5098eaf068c9202f811892..e760e16939c883f4dd315af6fe1eb9a4ab43c1af 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -4011,6 +4011,9 @@ class ScopeInfo : public FixedArray {
   // or context-allocated?
   bool HasAllocatedReceiver();
 
+  // Does this scope declare a context-allocated "this" binding?
+  bool HasContextAllocatedReceiver();
+
   // Does this scope declare a "new.target" binding?
   bool HasNewTarget();