[debugger] allow debug-evaluate to change stack and context values.

src/heap/heap.cc

Index: src/heap/heap.cc
diff --git a/src/heap/heap.cc b/src/heap/heap.cc
index aca86484bd01b8a1dc372ac0fac8a175dd2b266c..2fddef111ed7d5721aa671f45ee560698de2c31a 100644
--- a/src/heap/heap.cc
+++ b/src/heap/heap.cc
@@ -2404,6 +2404,7 @@ bool Heap::CreateInitialMaps() {
     ALLOCATE_VARSIZE_MAP(FIXED_ARRAY_TYPE, function_context)
     ALLOCATE_VARSIZE_MAP(FIXED_ARRAY_TYPE, catch_context)
     ALLOCATE_VARSIZE_MAP(FIXED_ARRAY_TYPE, with_context)
+    ALLOCATE_VARSIZE_MAP(FIXED_ARRAY_TYPE, debug_evaluate_context)
     ALLOCATE_VARSIZE_MAP(FIXED_ARRAY_TYPE, block_context)
     ALLOCATE_VARSIZE_MAP(FIXED_ARRAY_TYPE, module_context)
     ALLOCATE_VARSIZE_MAP(FIXED_ARRAY_TYPE, script_context)