Try to fix cross-script global scope

src/scopes.cc

Index: src/scopes.cc
diff --git a/src/scopes.cc b/src/scopes.cc
index 0dfc3a2c426f4a917823cbf13a677940509e1dd0..fe78811b4c35f1a2847353898352076bcbbcdb2b 100644
--- a/src/scopes.cc
+++ b/src/scopes.cc
@@ -270,6 +270,9 @@ bool Scope::Analyze(CompilationInfo* info) {
          !top->outer_scope()->already_resolved()) {
     top = top->outer_scope();
   }
+  // TODO(rossberg): remove the above.
+  top = info->global_scope();
+  ASSERT(top->is_global_scope());
 
   // Allocate the variables.
   {
@@ -773,6 +776,7 @@ static const char* Header(ScopeType scope_type) {
     case FUNCTION_SCOPE: return "function";
     case MODULE_SCOPE: return "module";
     case GLOBAL_SCOPE: return "global";
+    case SCRIPT_SCOPE: return "script";
     case CATCH_SCOPE: return "catch";
     case BLOCK_SCOPE: return "block";
     case WITH_SCOPE: return "with";
@@ -1223,11 +1227,15 @@ bool Scope::HasArgumentsParameter() {
 
 
 void Scope::AllocateStackSlot(Variable* var) {
+  ASSERT(var->scope() == this);
   var->AllocateTo(Variable::LOCAL, num_stack_slots_++);
 }
 
 
 void Scope::AllocateHeapSlot(Variable* var) {
+printf("[AllocateHeapSlot] scope=%p %s var=%.*s\n", (void*)this, Variable::Mode2String(var->mode()), var->raw_name()->length(), var->raw_name()->raw_data());
+if (var->mode() == LET) base::OS::DebugBreak();
+  ASSERT(var->scope() == this);
   var->AllocateTo(Variable::CONTEXT, num_heap_slots_++);
 }