[PATCH] [sanitizer_common] Add internal_clone().

[Alexander Potapenko]

================
Comment at: lib/sanitizer_common/sanitizer_linux_libcdep.cc:331
@@ +330,3 @@
+
+                       /* Call _exit(%ebx). */
+                       "movq   %%rax,%%rdi\n"
----------------
_exit(%rax)


http://llvm-reviews.chandlerc.com/D1558

BRANCH
  fix/clone

ARCANIST PROJECT
  compiler-rt