3.x ifelsestmtc reduction rule fix

test/simple_source/stmts/03_if_elif.py

@@ -1,11 +1,13 @@
 # 2.6.9 symbols.py
 # Bug in 2.6 is having multple COME_FROMs due to the
 # "and" in the "if" clause
+
+# RUNNABLE
 if __name__:
     if __file__ and __name__:
         pass
-    elif __name__:
-        pass
+    elif not __name__:
+        assert False
 
 # 2.6.9 transformer.py
 # Bug in 2.6 is multple COME_FROMs as a result
@@ -21,3 +23,20 @@ elif __file__:
     assert __name__ or __file__
 else:
     pass
+
+# From 3.3.7 test_binop.py
+# Bug was in ifelsestmt(c) ensuring b+=5 is not in "else"
+# Also note: ifelsetmtc should not have been used since this
+# this is not in a loop!
+def __floordiv__(a, b):
+    if a:
+        b += 1
+    elif not b:
+        return a
+    b += 5
+    return b
+
+assert __floordiv__(1, 1) == 7
+assert __floordiv__(1, 0) == 6
+assert __floordiv__(0, 3) == 8
+assert __floordiv__(0, 0) == 0