Fix attribute placement WRT extern C
llvm-svn: 337999
diff --git a/libcxx/src/experimental/filesystem/int128_builtins.cpp b/libcxx/src/experimental/filesystem/int128_builtins.cpp
index b168bf5..d8f2abb 100644
--- a/libcxx/src/experimental/filesystem/int128_builtins.cpp
+++ b/libcxx/src/experimental/filesystem/int128_builtins.cpp
@@ -19,8 +19,8 @@
#ifndef _LIBCPP_HAS_NO_INT128
-__attribute__((no_sanitize("undefined"))) extern "C" __int128_t
-__muloti4(__int128_t a, __int128_t b, int* overflow) {
+extern "C" __attribute__((no_sanitize("undefined")))
+__int128_t __muloti4(__int128_t a, __int128_t b, int* overflow) {
const int N = (int)(sizeof(__int128_t) * CHAR_BIT);
const __int128_t MIN = (__int128_t)1 << (N - 1);
const __int128_t MAX = ~MIN;