Testcase for #267

tests/bugs/ifelseexpr_T267.pyx

+"""
+>>> constants(5)
+1
+>>> constants(6)
+10
+>>> temps(5)
+1
+>>> temps(6)
+10
+>>> nested(1)
+1
+>>> nested(2)
+2
+>>> nested(3)
+3
+"""
+
+def ident(x): return x
+
+def constants(x):
+    a = 1 if x < 5 else 10
+    return a
+
+def temps(x):
+    return ident(1) if ident(x) < ident(5) else ident(10)   
+
+def nested(x):
+    return 1 if x == 1 else (2 if x == 2 else 3)