--- debug.rb~	2020-10-01 05:15:38.000000000 -0700
+++ debug.rb	2020-12-30 15:01:54.000000000 -0800
@@ -1101,6 +1101,6 @@
     trace_instruction: true
   }
   set_trace_func proc { |event, file, line, id, binding, klass, *rest|
-    DEBUGGER__.context.trace_func event, file, line, id, binding, klass
+    DEBUGGER__.context.trace_func event, File.expand_path(file), line, id, binding, klass
   }
 end