[msan] Fix msan_test broken after r299884.

Bind to ANY as some machines may have IPv6 support but without IPv6 on loopback
interface.

Reviewers: eugenis

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D31998

llvm-svn: 300150

compiler-rt/lib/msan/tests/msan_test.cc

@@ -899,7 +899,7 @@ class SocketAddr4 : public SocketAddr {
     memset(&sai_, 0, sizeof(sai_));
     sai_.sin_family = AF_INET;
     sai_.sin_port = port;
-    sai_.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
+    sai_.sin_addr.s_addr = htonl(INADDR_ANY);
   }
 
   sockaddr *ptr() override { return reinterpret_cast<sockaddr *>(&sai_); }
@@ -917,7 +917,7 @@ class SocketAddr6 : public SocketAddr {
     memset(&sai_, 0, sizeof(sai_));
     sai_.sin6_family = AF_INET6;
     sai_.sin6_port = port;
-    sai_.sin6_addr = in6addr_loopback;
+    sai_.sin6_addr = in6addr_any;
   }
 
   sockaddr *ptr() override { return reinterpret_cast<sockaddr *>(&sai_); }