Store the ScopeInfo in WithContexts

src/compiler/js-generic-lowering.cc

Index: src/compiler/js-generic-lowering.cc
diff --git a/src/compiler/js-generic-lowering.cc b/src/compiler/js-generic-lowering.cc
index d2e94ce906ef0df32f8ae2513e164792d258bc33..a137fdec2b64f9bbc14db7da4aba8484ce9e00a1 100644
--- a/src/compiler/js-generic-lowering.cc
+++ b/src/compiler/js-generic-lowering.cc
@@ -49,7 +49,6 @@ Reduction JSGenericLowering::Reduce(Node* node) {
   void JSGenericLowering::Lower##op(Node* node) { \
     ReplaceWithRuntimeCall(node, fun);            \
   }
-REPLACE_RUNTIME_CALL(JSCreateWithContext, Runtime::kPushWithContext)
 REPLACE_RUNTIME_CALL(JSConvertReceiver, Runtime::kConvertReceiver)

[Michael Starzinger, 2016/09/05 12:10:39]

suggestion: I know this is not part of your change, but for bonus points we
could make LowerJSConvertReceiver explicit as well. The second-order macro here
doesn't seem to be useful anymore. Or just ignore this comment, up to you. :)

 #undef REPLACE_RUNTIME_CALL
 
@@ -518,6 +517,11 @@ void JSGenericLowering::LowerJSCreateCatchContext(Node* node) {
   ReplaceWithRuntimeCall(node, Runtime::kPushCatchContext);
 }
 
+void JSGenericLowering::LowerJSCreateWithContext(Node* node) {
+  Handle<ScopeInfo> scope_info = OpParameter<Handle<ScopeInfo>>(node);
+  node->InsertInput(zone(), 1, jsgraph()->HeapConstant(scope_info));
+  ReplaceWithRuntimeCall(node, Runtime::kPushWithContext);
+}
 
 void JSGenericLowering::LowerJSCreateBlockContext(Node* node) {
   Handle<ScopeInfo> scope_info = OpParameter<Handle<ScopeInfo>>(node);