[crankshaft] Fix IsClassOfTest helper method

src/ast/prettyprinter.cc

 // Copyright 2012 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/ast/prettyprinter.h"
 
 #include <stdarg.h>
 
 #include "src/ast/ast-value-factory.h"
 #include "src/ast/scopes.h"
@@ skipping 1124 matching lines @@
 
 void AstPrinter::VisitCallNew(CallNew* node) {
   IndentedScope indent(this, "CALL NEW", node->position());
   Visit(node->expression());
   PrintArguments(node->arguments());
 }
 
 
 void AstPrinter::VisitCallRuntime(CallRuntime* node) {
   EmbeddedVector<char, 128> buf;
-  SNPrintF(buf, "CALL RUNTIME %s", node->debug_name());
+  if (node->is_jsruntime()) {
+    SNPrintF(
+        buf, "CALL RUNTIME %s code = %p", node->debug_name(),
+        static_cast<void*>(isolate_->context()->get(node->context_index())));
+  } else {
+    SNPrintF(buf, "CALL RUNTIME %s", node->debug_name());
+  }
+
   IndentedScope indent(this, buf.start(), node->position());
   PrintArguments(node->arguments());
 }
 
 
 void AstPrinter::VisitUnaryOperation(UnaryOperation* node) {
   IndentedScope indent(this, Token::Name(node->op()), node->position());
   Visit(node->expression());
 }
 
@@ skipping 53 matching lines @@
 
 void AstPrinter::VisitRewritableExpression(RewritableExpression* node) {
   Visit(node->expression());
 }
 
 
 #endif  // DEBUG
 
 }  // namespace internal
 }  // namespace v8