Turn more explicitly named temps into uses of definitions.

runtime/vm/flow_graph_compiler_x64.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"  // Needed here to get TARGET_ARCH_X64.
 #if defined(TARGET_ARCH_X64)
 
 #include "vm/flow_graph_compiler.h"
 
 #include "lib/error.h"
@@ skipping 514 matching lines @@
   __ movq(RAX, CTX);
 }
 
 
 void FlowGraphCompiler::VisitStoreContext(StoreContextComp* comp) {
   LoadValue(CTX, comp->value());
 }
 
 
 void FlowGraphCompiler::VisitClosureCall(ClosureCallComp* comp) {
-  ASSERT(comp->context()->IsTemp());
+  ASSERT(comp->context()->IsTemp() || comp->context()->IsUse());
   ASSERT(VerifyCallComputation(comp));
   // The arguments to the stub include the closure.  The arguments
   // descriptor describes the closure's arguments (and so does not include
   // the closure).
   int argument_count = comp->ArgumentCount();
   const Array& arguments_descriptor =
       CodeGenerator::ArgumentsDescriptor(argument_count - 1,
                                          comp->argument_names());
   __ LoadObject(R10, arguments_descriptor);
 
@@ skipping 1176 matching lines @@
   ASSERT(exception_handlers_list_ != NULL);
   const ExceptionHandlers& handlers = ExceptionHandlers::Handle(
       exception_handlers_list_->FinalizeExceptionHandlers(code.EntryPoint()));
   code.set_exception_handlers(handlers);
 }
 
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_X64