Parsing: Make Scope not know about Isolate.

src/hydrogen.cc

Index: src/hydrogen.cc
diff --git a/src/hydrogen.cc b/src/hydrogen.cc
index 47cddd0a10dce599dd3f353e7d19fbfa99abca92..d7619e411fc146cd1d443f26d94f3f331acb8c34 100644
--- a/src/hydrogen.cc
+++ b/src/hydrogen.cc
@@ -4562,7 +4562,7 @@ void HOptimizedGraphBuilder::VisitBlock(Block* stmt) {
       AddInstruction(function);
       // Allocate a block context and store it to the stack frame.
       HInstruction* inner_context = Add<HAllocateBlockContext>(
-          outer_context, function, scope->GetScopeInfo());
+          outer_context, function, scope->GetScopeInfo(isolate()));
       HInstruction* instr = Add<HStoreFrameContext>(inner_context);
       set_scope(scope);
       environment()->BindContext(inner_context);