Merged: [turbofan] Fix effect chain for polymorphic array access.

src/compiler/js-native-context-specialization.cc

Index: src/compiler/js-native-context-specialization.cc
diff --git a/src/compiler/js-native-context-specialization.cc b/src/compiler/js-native-context-specialization.cc
index 6de3fa1282439b3fe556415f2385ca62429e3c1d..1881cd02bc538e8ea0a031274293e3db7b03c891 100644
--- a/src/compiler/js-native-context-specialization.cc
+++ b/src/compiler/js-native-context-specialization.cc
@@ -614,7 +614,7 @@ Reduction JSNativeContextSpecialization::ReduceElementAccess(
                                               fallthrough_control);
               this_controls.push_back(
                   graph()->NewNode(common()->IfTrue(), branch));
-              this_effects.push_back(effect);
+              this_effects.push_back(this_effect);
               fallthrough_control =
                   graph()->NewNode(common()->IfFalse(), branch);
             }