[msan] Fix linkage type of __msan_track_origins.

llvm-svn: 173157

diff --git a/compiler-rt/lib/msan/msan.cc b/compiler-rt/lib/msan/msan.cc
index 670213f..e8216ea 100644 (file)
--- a/compiler-rt/lib/msan/msan.cc
+++ b/compiler-rt/lib/msan/msan.cc
@@ -58,7 +58,7 @@ static THREADLOCAL struct {
   uptr stack_top, stack_bottom;
 } __msan_stack_bounds;
 
-extern const int __msan_track_origins;
+extern "C" const int __msan_track_origins;
 int __msan_get_track_origins() {
   return __msan_track_origins;
 }