All *BSD targets do not implement ShellExpandArguments, so mark
the test appropriately.
# This test applies to POSIX.
# UNSUPPORTED: system-windows
-# FIXME: ShellExpandArguments is unimplemented on Linux.
+# FIXME: ShellExpandArguments is unimplemented on the following targets.
# UNSUPPORTED: system-linux
+# XFAIL: system-freebsd
+# XFAIL: system-netbsd
+# XFAIL: system-openbsd
# RUN: %clang %S/Inputs/simple.c -g -o %t.out
# RUN: SHELL=bogus %lldb %t.out -b -o 'run' 2>&1 | FileCheck %s --check-prefix ERROR