[llvm] [Dexter] Normalise the "tools directory" into a list of tools (PR #128544)

[Orlando Cazalet-Hyams via llvm-commits]

================
@@ -47,7 +47,7 @@ def _get_potential_debuggers():  # noqa
 
 
 def _warn_meaningless_option(context, option):
-    if hasattr(context.options, "list_debuggers"):
+    if hasattr(context.options, "list-debuggers"):
----------------
OCHyams wrote:

I'd have thought `list-debuggers` isn't a valid variable name, I'm confused how this works?

https://github.com/llvm/llvm-project/pull/128544