[PATCH] [lsan] Make LSan ignore memory poisoned by ASan.

[Kostya Serebryany]

  LGTM with a nit


================
Comment at: lib/asan/asan_poisoning.cc:299
@@ +298,3 @@
+bool WordIsPoisoned(uptr addr) {
+  return __asan_region_is_poisoned(addr, sizeof(void *));  // NOLINT
+}
----------------
use sizeof(uptr) and remove NOLINE
uptr is guaranteed to be the same size as void *


http://llvm-reviews.chandlerc.com/D2359

BRANCH
  feat/is_poisoned

ARCANIST PROJECT
  compiler-rt