1 files changed, 9 insertions, 0 deletions
diff --git a/Lib/test/libregrtest/main.py b/Lib/test/libregrtest/main.py
index 569d034..e262a7a 100644
--- a/Lib/test/libregrtest/main.py
+++ b/Lib/test/libregrtest/main.py
@@ -533,6 +533,15 @@ class Regrtest:
     def _main(self, tests, kwargs):
         self.ns = self.parse_args(kwargs)
 
+        if self.ns.huntrleaks:
+            warmup, repetitions, _ = self.ns.huntrleaks
+            if warmup < 1 or repetitions < 1:
+                msg = ("Invalid values for the --huntrleaks/-R parameters. The "
+                       "number of warmups and repetitions must be at least 1 "
+                       "each (1:1).")
+                print(msg, file=sys.stderr, flush=True)
+                sys.exit(2)
+
         if self.ns.slaveargs is not None:
             from test.libregrtest.runtest_mp import run_tests_slave
             run_tests_slave(self.ns.slaveargs)