diff --git a/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.int/eval.pass.cpp b/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.int/eval.pass.cpp
--- a/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.int/eval.pass.cpp
+++ b/libcxx/test/std/numerics/rand/rand.dis/rand.dist.uni/rand.dist.uni.int/eval.pass.cpp
@@ -8,8 +8,10 @@
 //
 // REQUIRES: long_tests
 //
-// This fails on MinGW for some unknown reason.
-// UNSUPPORTED: target={{.+}}-windows-gnu
+// This fails on MinGW due to crashes in calling helper functions for
+// conversion between __int128 and floating point. This is fixed in LLVM 14
+// by https://reviews.llvm.org/D110413.
+// XFAIL: target={{.+}}-windows-gnu && clang-13
 
 // <random>