diff -r 6300531dde60 Lib/sre_parse.py
--- a/Lib/sre_parse.py	Tue Mar 01 23:34:47 2016 +0100
+++ b/Lib/sre_parse.py	Thu Mar 03 10:17:30 2016 +0200
@@ -833,14 +833,14 @@ def parse(str, flags=0, pattern=None):
         assert source.next == ")"
         raise source.error("unbalanced parenthesis")
 
-    if flags & SRE_FLAG_DEBUG:
-        p.dump()
-
     if not (flags & SRE_FLAG_VERBOSE) and p.pattern.flags & SRE_FLAG_VERBOSE:
         # the VERBOSE flag was switched on inside the pattern.  to be
         # on the safe side, we'll parse the whole thing again...
         return parse(str, p.pattern.flags)
 
+    if flags & SRE_FLAG_DEBUG:
+        p.dump()
+
     return p
 
 def parse_template(source, pattern):