bug#16665: Hitting C-c C-c in *shell* causes segmentation fault

[Dan Jacobson]

Hitting C-c C-c in *shell* causes segmentation fault.
Reproducible every time.
The message always starts with
  sh: syntax error near unexpected token `1'
and ends with
  Process shell segmentation fault
# grep nobody /etc/passwd
nobody:x:65534:65534:nobody:/nonexistent:/bin/sh
# su - nobody
No directory, logging in with HOME=/
$ emacs -nw -f shell
sh-4.3$   C-c C-c

sh-4.3$ sh: syntax error near unexpected token `1'
sh-4.3$ sh: $'\b\210D\020\b\035\v\b\340\313': command not found
sh-4.3$ sh: $'\b\300\347': command not found ...
sh-4.3$ sh: syntax error near unexpected token `('
sh-4.3$ >
Process shell segmentation fault


# ls -l /bin/sh
lrwxrwxrwx 1 root root 4 Mar  5  2012 /bin/sh -> bash
$ bash --version
GNU bash, version 4.3.0(1)-rc1 (i486-pc-linux-gnu)