tests: Add test for semantics of for-loop that optimisation can break.

1 files changed, 11 insertions, 0 deletions

diff --git a/tests/basics/for3.py b/tests/basics/for3.py
new file mode 100644
index 000000000..ffa1be244
--- /dev/null
+++ b/tests/basics/for3.py
@@ -0,0 +1,11 @@
+# test assigning to iterator within the loop
+for i in range(2):
+    print(i)
+    i = 2
+
+# test assigning to range parameter within the loop
+# (since we optimise for loops, this needs checking, currently it fails)
+#n = 2
+#for i in range(n):
+#    print(i)
+#    n = 0