[libc++] [LIBCXX-DEBUG-FIXME] Iterating a string::iterator "off the end" is UB.

The range of char pointers [data, data+size] is a valid closed range,
but the range [begin, end) is valid only half-open.

Differential Revision: https://reviews.llvm.org/D101676

GitOrigin-RevId: 12dd9cdf1a8267e0c5db4f191f2598648de02619
diff --git a/test/std/input.output/filesystems/class.path/path.nonmember/path.factory.pass.cpp b/test/std/input.output/filesystems/class.path/path.nonmember/path.factory.pass.cpp
index c0d683d..3c253ac 100644
--- a/test/std/input.output/filesystems/class.path/path.nonmember/path.factory.pass.cpp
+++ b/test/std/input.output/filesystems/class.path/path.nonmember/path.factory.pass.cpp
@@ -6,8 +6,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-// XFAIL: LIBCXX-DEBUG-FIXME
-
 // UNSUPPORTED: c++03
 // ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_DISABLE_DEPRECATION_WARNINGS
 
@@ -44,7 +42,7 @@
     assert(p == In1);
   }
   {
-    path p = fs::u8path(In3);
+    path p = fs::u8path(In2.data());
     assert(p == In1);
   }
   {
@@ -67,7 +65,7 @@
     assert(p == In1);
   }
   {
-    path p = fs::u8path(u8In3);
+    path p = fs::u8path(u8In2.data());
     assert(p == In1);
   }
   {