Add xfail for picolibc

vhscampos · vhscampos · commit 1735435f1c53 · 2025-09-17T09:59:14.000+01:00
diff --git a/libcxx/test/std/strings/c.strings/no_c8rtomb_mbrtoc8.verify.cpp b/libcxx/test/std/strings/c.strings/no_c8rtomb_mbrtoc8.verify.cpp
@@ -13,6 +13,7 @@
 // XFAIL: darwin
 // XFAIL: freebsd
 // XFAIL: windows
+// XFAIL: LIBCXX-PICOLIBC-FIXME
 
 #include <uchar.h>
 
