Issue #13786: Remove unimplemented 'trace' long option from regrtest.py.
diff --git a/Lib/test/regrtest.py b/Lib/test/regrtest.py
index 71b3f7b..135a90e 100755
--- a/Lib/test/regrtest.py
+++ b/Lib/test/regrtest.py
@@ -275,7 +275,7 @@
opts, args = getopt.getopt(sys.argv[1:], 'hvqxsoS:rf:lu:t:TD:NLR:FdwWM:nj:Gm:',
['help', 'verbose', 'verbose2', 'verbose3', 'quiet',
'exclude', 'single', 'slow', 'random', 'fromfile', 'findleaks',
- 'use=', 'threshold=', 'trace', 'coverdir=', 'nocoverdir',
+ 'use=', 'threshold=', 'coverdir=', 'nocoverdir',
'runleaks', 'huntrleaks=', 'memlimit=', 'randseed=',
'multiprocess=', 'coverage', 'slaveargs=', 'forever', 'debug',
'start=', 'nowindows', 'header', 'failfast', 'match'])