Fix for encode("ascii") called on a unichar.

git-svn-id: http://codespeak.net/svn/pypy/trunk@76143 fd0d7bf2-dfb6-0310-8d31-b7ecfe96aada

pypy/rpython/rstr.py

@@ -288,7 +288,7 @@ def rtype_method_encode(self, hop):
         if not hop.args_s[1].is_constant():
             raise TyperError("encoding must be constant")
         encoding = hop.args_s[1].const
-        v_self = hop.inputarg(self.repr, 0)
+        v_self = hop.inputarg(self.lowleveltype, 0)
         hop.exception_is_here()
         if encoding == "ascii":
             return hop.gendirectcall(self.ll_str, v_self)

pypy/rpython/test/test_rstr.py

@@ -869,6 +869,12 @@ def f(i):
             return str(c[i])[0]
         assert self.interpret(f, [1]) == "b"
 
+    def test_encode_char(self):
+        def f(i):
+            c = u"abc"
+            return c[i].encode("ascii")
+        assert self.ll_to_string(self.interpret(f, [0])) == "a"
+
 def FIXME_test_str_to_pystringobj():
     def f(n):
         if n >= 0: