[cleanup] Global variable declarations are never hole initialized

src/crankshaft/hydrogen.cc

Index: src/crankshaft/hydrogen.cc
diff --git a/src/crankshaft/hydrogen.cc b/src/crankshaft/hydrogen.cc
index 76d1ef51e2c3f9d666a654a4ab808b8c25f7579b..37fabc673bdfbc8f2b6373f85e0341ec1d5e94b2 100644
--- a/src/crankshaft/hydrogen.cc
+++ b/src/crankshaft/hydrogen.cc
@@ -12334,10 +12334,9 @@ void HOptimizedGraphBuilder::VisitVariableDeclaration(
   switch (variable->location()) {
     case VariableLocation::GLOBAL:
     case VariableLocation::UNALLOCATED:
+      DCHECK(!variable->binding_needs_init());
       globals_.Add(variable->name(), zone());
-      globals_.Add(variable->binding_needs_init()
-                       ? isolate()->factory()->the_hole_value()
-                       : isolate()->factory()->undefined_value(), zone());
+      globals_.Add(isolate()->factory()->undefined_value(), zone());
       return;
     case VariableLocation::PARAMETER:
     case VariableLocation::LOCAL: