Version 4.4.63.26

src/hydrogen.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/hydrogen.h"
 
 #include <sstream>
 
 #include "src/v8.h"
 
@@ skipping 5201 matching lines @@
 
   if (fast) {
     // Check if the expected map still matches that of the enumerable.
     // If not just deoptimize.
     Add<HCheckMapValue>(enumerable, environment()->ExpressionStackAt(3));
     Bind(each_var, key);
   } else {
     HValue* function = AddLoadJSBuiltin(Builtins::FILTER_KEY);
     Add<HPushArguments>(enumerable, key);
     key = Add<HInvokeFunction>(function, 2);
+    Push(key);
+    Add<HSimulate>(stmt->FilterId());
+    key = Pop();
     Bind(each_var, key);
+    Add<HCheckHeapObject>(key);
     Add<HSimulate>(stmt->AssignmentId());
-    Add<HCheckHeapObject>(key);
   }
 
   BreakAndContinueInfo break_info(stmt, scope(), 5);
   {
     BreakAndContinueScope push(&break_info, this);
     CHECK_BAILOUT(VisitLoopBody(stmt, loop_entry));
   }
 
   HBasicBlock* body_exit =
       JoinContinue(stmt, current_block(), break_info.continue_block());
@@ skipping 7914 matching lines @@
   if (ShouldProduceTraceOutput()) {
     isolate()->GetHTracer()->TraceHydrogen(name(), graph_);
   }
 
 #ifdef DEBUG
   graph_->Verify(false);  // No full verify.
 #endif
 }
 
 } }  // namespace v8::internal