[Sanitizers] Fix sanitizers to build on FreeBSD.

Differential Revision: http://reviews.llvm.org/D8175

llvm-svn: 232072

diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_linux.cc b/compiler-rt/lib/sanitizer_common/sanitizer_linux.cc
index 265dca6..c6182bc 100644 (file)
--- a/compiler-rt/lib/sanitizer_common/sanitizer_linux.cc
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_linux.cc
@@ -57,6 +57,7 @@
 #include <sys/syscall.h>
 #include <sys/time.h>
 #include <sys/types.h>
+#include <ucontext.h>
 #include <unistd.h>
 
 #if SANITIZER_FREEBSD