Test for

[ 526039 ] devious code can crash structseqs

Bugfix candidate.

Lib/test/test_structseq.py

@@ -13,4 +13,16 @@ for i in range(-len(t), len(t)):
     for j in range(-len(t), len(t)):
         vereq(t[i:j], astuple[i:j])
 
+# Devious code could crash structseqs' contructors
+class C:
+    def __getitem__(self, i):
+        raise IndexError
+    def __len__(self):
+        return 9
+
+try:
+    repr(time.struct_time(C()))
+except:
+    pass
+
 # XXX more needed