Preprocess structured stack trace on GC to get rid of code reference.

src/objects.cc

Index: src/objects.cc
diff --git a/src/objects.cc b/src/objects.cc
index 8d947865d7f70510542e2d5faa40644cdd3277f3..5525a9bc216077e07a0f27f937d413f0f04eaffa 100644
--- a/src/objects.cc
+++ b/src/objects.cc
@@ -8347,7 +8347,7 @@ bool WeakFixedArray::Remove(Handle<HeapObject> value) {
   int first_index = last_used_index();
   for (int i = first_index;;) {
     if (Get(i) == *value) {
-      clear(i);
+      Clear(i);
       // Users of WeakFixedArray should make sure that there are no duplicates,
       // they can use Add(..., kAddIfNotFound) if necessary.
       return true;