Disable the sub() optimization until Fredrik has time to look into SF

bug #449000, "re.sub(r'\n', ...) broke".  This was Fredrik's
suggestion -- he's on vacation and said he wouldn't be able to work on
this until next week.

1 files changed, 1 insertions, 0 deletions

diff --git a/Lib/sre.py b/Lib/sre.py
index e655097..7b79f43 100644
--- a/Lib/sre.py
+++ b/Lib/sre.py
@@ -170,6 +170,7 @@ def _subn(pattern, template, text, count=0, sub=0):
     else:
         template = _compile_repl(template, pattern)
         literals = template[1]
+        sub = 0 # temporarly disabled, see bug #449000
         if (sub and not count and pattern._isliteral() and
             len(literals) == 1 and literals[0]):
             # shortcut: both pattern and string are literals