diff -r 52e9e63f1495 -r 57b50abe2b24 tests/run-tests.py
--- a/tests/run-tests.py	Mon Nov 25 22:00:46 2013 +0100
+++ b/tests/run-tests.py	Sun Apr 13 19:01:00 2014 +0200
@@ -702,9 +702,12 @@
         if not l.endswith('\n'):
             l += '\n'
         if l.startswith('#if'):
+            lsplit = l.split()
+            if len(lsplit) < 2 or lsplit[0] != '#if':
+                after.setdefault(pos, []).append('  !!! invalid #if\n')
             if skipping is not None:
                 after.setdefault(pos, []).append('  !!! nested #if\n')
-            skipping = not hghave(l.split()[1:])
+            skipping = not hghave(lsplit[1:])
             after.setdefault(pos, []).append(l)
         elif l.startswith('#else'):
             if skipping is None: