Make test.regrtest.__file__ absolute, this was not always the case when running profile or trace, for example.  (issue #9323)
diff --git a/Misc/NEWS b/Misc/NEWS
index 2281892..2392b24 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -142,6 +142,12 @@
   as wide (UCS4) unicode builds for both the host interpreter (embedded
   inside gdb) and the interpreter under test.
 
+Tests
+-----
+
+- Issue #9323: Make test.regrtest.__file__ absolute, this was not always the
+  case when running profile or trace, for example.
+
 Build
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