[compiler][modules] Constant-fold the loads of module cells.

src/compiler/types.cc

Index: src/compiler/types.cc
diff --git a/src/compiler/types.cc b/src/compiler/types.cc
index 0a896ad1b35cd551bd7243b0bee5f3b8f638d8be..ef2d3a0ef62117d22b4923242b020b50400b42c9 100644
--- a/src/compiler/types.cc
+++ b/src/compiler/types.cc
@@ -298,6 +298,7 @@ Type::bitset BitsetType::Lub(i::Map* map) {
     case PROPERTY_CELL_TYPE:
     case MODULE_TYPE:
     case MODULE_INFO_ENTRY_TYPE:
+    case CELL_TYPE:
       return kOtherInternal;
 
     // Remaining instance types are unsupported for now. If any of them do
@@ -319,7 +320,6 @@ Type::bitset BitsetType::Lub(i::Map* map) {
     case PROMISE_REACTION_JOB_INFO_TYPE:
     case DEBUG_INFO_TYPE:
     case STACK_FRAME_INFO_TYPE:
-    case CELL_TYPE:
     case WEAK_CELL_TYPE:
     case PROTOTYPE_INFO_TYPE:
     case TUPLE2_TYPE: