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Hi, We are trying to enable LeakSanitizer on our asan/msan llvm bootstrap bot (http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux-bootstrap/). In clang itself there are two leaks (http://llvm.org/bugs/show_bug.cgi?id=18318, http://llvm-reviews.chandlerc.com/D2472) and one lsan-hostile feature (http://llvm.org/bugs/show_bug.cgi?id=18320), all of which are easy to fix. And there are also