Use PrintF instead of fprintf.

src/gdb-jit.cc

 // Copyright 2010 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1823 matching lines @@
   }
 
   // GDB will inspect contents of this descriptor.
   // Static initialization is necessary to prevent GDB from seeing
   // uninitialized descriptor.
   JITDescriptor __jit_debug_descriptor = { 1, 0, 0, 0 };
 
 #ifdef OBJECT_PRINT
   void __gdb_print_v8_object(MaybeObject* object) {
     object->Print();
-    fprintf(stdout, "\n");
+    PrintF(stdout, "\n");
   }
 #endif
 }
 
 
 static JITCodeEntry* CreateCodeEntry(Address symfile_addr,
                                      uintptr_t symfile_size) {
   JITCodeEntry* entry = static_cast<JITCodeEntry*>(
       malloc(sizeof(JITCodeEntry) + symfile_size));
 
@@ skipping 314 matching lines @@
   ScopedLock lock(mutex.Pointer());
   ASSERT(!IsLineInfoTagged(line_info));
   HashMap::Entry* e = GetEntries()->Lookup(code, HashForCodeObject(code), true);
   ASSERT(e->value == NULL);
   e->value = TagLineInfo(line_info);
 }
 
 
 } }  // namespace v8::internal
 #endif