[ASan] make sure __asan_default_options gets default visibility, port corresponding test to lit
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@161869 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/asan/asan_rtl.cc b/lib/asan/asan_rtl.cc
index f0c51c9..a798314 100644
--- a/lib/asan/asan_rtl.cc
+++ b/lib/asan/asan_rtl.cc
@@ -101,7 +101,9 @@
}
extern "C" {
-const char* WEAK __asan_default_options() { return ""; }
+SANITIZER_WEAK_ATTRIBUTE
+SANITIZER_INTERFACE_ATTRIBUTE
+const char* __asan_default_options() { return ""; }
} // extern "C"
void InitializeFlags(Flags *f, const char *env) {