[runtime] Fix ES6 9.2.1 [[Call]] when encountering a classConstructor.

src/crankshaft/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/crankshaft/hydrogen.h"
 
 #include <sstream>
 
 #include "src/allocation-site-scopes.h"
 #include "src/ast-numbering.h"
@@ skipping 12740 matching lines @@
   // The function is the last argument
   HValue* function = Pop();
   // Push the arguments to the stack
   PushArgumentsFromEnvironment(arg_count);
 
   IfBuilder if_is_jsfunction(this);
   if_is_jsfunction.If<HHasInstanceTypeAndBranch>(function, JS_FUNCTION_TYPE);
 
   if_is_jsfunction.Then();
   {
-    HInstruction* invoke_result =
-        Add<HInvokeFunction>(function, arg_count);
+    HInstruction* invoke_result = Add<HInvokeFunction>(function, arg_count);

[Benedikt Meurer, 2015/11/04 02:56:43]

Nit: unrelated change, please undo

[Camillo Bruni, 2015/11/04 10:47:32]

undone

     if (!ast_context()->IsEffect()) {
       Push(invoke_result);
     }
     Add<HSimulate>(call->id(), FIXED_SIMULATE);
   }
 
   if_is_jsfunction.Else();
   {
-    HInstruction* call_result =
-        Add<HCallFunction>(function, arg_count);
+    HInstruction* call_result = Add<HCallFunction>(function, arg_count);

[Benedikt Meurer, 2015/11/04 02:56:43]

Nit: unrelated change, please undo

[Camillo Bruni, 2015/11/04 10:47:32]

undone

     if (!ast_context()->IsEffect()) {
       Push(call_result);
     }
     Add<HSimulate>(call->id(), FIXED_SIMULATE);
   }
   if_is_jsfunction.End();
 
   if (ast_context()->IsEffect()) {
     // EffectContext::ReturnValue ignores the value, so we can just pass
     // 'undefined' (as we do not have the call result anymore).
@@ skipping 925 matching lines @@
     isolate()->GetHTracer()->TraceHydrogen(name(), graph_);
   }
 
 #ifdef DEBUG
   graph_->Verify(false);  // No full verify.
 #endif
 }
 
 }  // namespace internal
 }  // namespace v8