both deferred_globals.cpp namespace.cpp require lldb in order to run and will
fail if it's not available.
add the required lines to the top of the tests.
// Ensure that debug information for a local variable does not hide
// a global definition that has the same name.
+// REQUIRES: lldb
// UNSUPPORTED: system-windows
// RUN: %dexter --fail-lt 1.0 -w \
// Ensure that the debug information for a global variable includes
// namespace information.
+// REQUIRES: lldb
// UNSUPPORTED: system-windows
// RUN: %dexter --fail-lt 1.0 -w \