bug in prompt?

[Ray Andrews <rayandrews@xxxxxxxxxxx>]

Just did a pull & make:


   pts/7 HP-y5--5-Debian1 root /aWorking/zshbuild/Src 3$ zsh
   zsh-5.0.7-138-g247f754

   pts/7 HP-y5--5-Debian1 root /aWorking/zshbuild/Src 4$ . ./zsh
   zsh-5.0.7-138-g247f754
   ./zsh:1: bad pattern:
   ^@^H^@(^@$^@!^@^F^@^@^@4^@^@^@4\M-^@^D^H4\M-^@^D^H^@^A^@^@^@^A^@^@^E^@^@^@^D^@^@^@^C^@^@^@4^A^@^@4\M-^A^D^H4\M-^A^D^H^S^@^@^@^S^@^@^@^D^@^@^@^A^@^@^@^A^@^@^@^@^@^@^@^@\M-^@^D^H^@\M-^@^D^H^Ho\n^@^Ho\n^@^E^@^@^@^@^P^@^@^A^@^@^@^@p\n^@^@\M-p^N^H^@\M-p^N^H

   ./zsh:4: permission denied:
   ./zsh:5: parse error near `^P'
   ./zsh:5: parse error in command substitution
   [2] 30359
   ./zsh:5: permission denied:

   pts/7 HP-y5--5-Debian1 root /aWorking/zshbuild/Src 4$
   [2]  + exit 126     GNU���U��@v���0m

   pts/7 HP-y5--5-Debian1 root /aWorking/zshbuild/Src 4$ echo
   $ZSH_PATCHLEVEL
   zsh-5.0.7-138-g247f754
   zsh-5.0.7-138-g247f754


... It seems to abort the binary and I'm back to the previous good one. 
Using a plain prompt didn't help. It's not getting as far as reading 
.zshrc. 'make check' = all fine.