[PATCH] [MSan] Add __msan_unpoison_string() to the public interface.

[Evgeniy Stepanov]

  LGTM w/ comments


================
Comment at: test/msan/unpoison_string.cc:12
@@ +11,3 @@
+  char s[20] = "string";
+  __msan_poison(s, 20 * sizeof(char));
+  __msan_unpoison_string(s);
----------------
sizeof(s) here and below

================
Comment at: test/msan/unpoison_string.cc:14
@@ +13,3 @@
+  __msan_unpoison_string(s);
+  assert(__msan_test_shadow(s, 20 * sizeof(char)) == strlen("string") + 1);
+}
----------------
return 0 at the end!


http://llvm-reviews.chandlerc.com/D3135

BRANCH
  msan/unpoison_string

ARCANIST PROJECT
  compiler-rt