StubCallInterfaceDescriptor takes a context register.

src/hydrogen.cc

Index: src/hydrogen.cc
diff --git a/src/hydrogen.cc b/src/hydrogen.cc
index a87d623790e0007198cd6bf08ca20a1662606154..559e43a7786fdf93bce3b46d314b209848089d82 100644
--- a/src/hydrogen.cc
+++ b/src/hydrogen.cc
@@ -7343,14 +7343,14 @@ HInstruction* HOptimizedGraphBuilder::NewArgumentAdaptorCall(
 
   HValue* arity = Add<HConstant>(argument_count - 1);
 
-  HValue* op_vals[] = { fun, context, arity, expected_param_count };
+  HValue* op_vals[] = { fun, arity, expected_param_count };
 
   Handle<Code> adaptor =
       isolate()->builtins()->ArgumentsAdaptorTrampoline();
   HConstant* adaptor_value = Add<HConstant>(adaptor);
 
   return New<HCallWithDescriptor>(
-      adaptor_value, argument_count, descriptor,
+      adaptor_value, context, argument_count, descriptor,
       Vector<HValue*>(op_vals, descriptor->environment_length()));
 }
 
@@ -8584,8 +8584,7 @@ bool HOptimizedGraphBuilder::TryInlineApiCall(Handle<JSFunction> function,
     Add<HConstant>(function),
     call_data,
     holder,
-    api_function_address,
-    context()
+    api_function_address
   };
 
   CallInterfaceDescriptor* descriptor =
@@ -8599,7 +8598,7 @@ bool HOptimizedGraphBuilder::TryInlineApiCall(Handle<JSFunction> function,
          descriptor->environment_length());
 
   HInstruction* call = New<HCallWithDescriptor>(
-      code_value, argc + 1, descriptor,
+      code_value, context(), argc + 1, descriptor,
       Vector<HValue*>(op_vals, descriptor->environment_length()));
 
   if (drop_extra) Drop(1);  // Drop function.