commit fb84b5d48d111121bbc9e1782ddbab361c0bf1a5
author Victor Stinner <victor.stinner@gmail.com> Wed Mar 06 19:29:09 2013 +0100
committer Victor Stinner <victor.stinner@gmail.com> Wed Mar 06 19:29:09 2013 +0100
tree e303c9fe2aa909c1cac83fe5e6b61dc49b7f6f80
parent be0c028eb50f64ea69baf612e4d5c21fef875a8f
parent 2cb16aa3cb31c2c0620df3c806d10782f84c94fb

(Merge 3.3) _PyUnicode_Writer() now also reuses Unicode singletons:
empty string and latin1 single character

Objects/unicodeobject.c

diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
index 2175655..cb93395 100644
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -12821,7 +12821,7 @@
         writer->buffer = newbuffer;
     }
     assert(_PyUnicode_CheckConsistency(writer->buffer, 1));
-    return writer->buffer;
+    return unicode_result_ready(writer->buffer);
 }
 
 void