[strong] Implement strong mode restrictions on property access

src/compiler/js-typed-lowering.cc

Index: src/compiler/js-typed-lowering.cc
diff --git a/src/compiler/js-typed-lowering.cc b/src/compiler/js-typed-lowering.cc
index 1a09ba55b8996943ad1dab7790898277181513fd..7f68005209cc3bcdc36dfe26d739b9dd5fd28364 100644
--- a/src/compiler/js-typed-lowering.cc
+++ b/src/compiler/js-typed-lowering.cc
@@ -970,8 +970,8 @@ Reduction JSTypedLowering::ReduceJSLoadDynamicGlobal(Node* node) {
       javascript()->LoadContext(0, Context::GLOBAL_OBJECT_INDEX, true), context,
       context, effect);
   Node* fast = graph()->NewNode(
-      javascript()->LoadNamed(name, access.feedback(), access.mode()), global,
-      context, state1, state2, global, check_true);
+      javascript()->LoadNamed(name, access.feedback(), SLOPPY, access.mode()),
+      global, context, state1, state2, global, check_true);
 
   // Slow case, because variable potentially shadowed. Perform dynamic lookup.
   uint32_t check_bitset = DynamicGlobalAccess::kFullCheckRequired;