Is this a known issue? If not, I'll put more effort into getting a stack
trace.

% zsh --version
zsh 5.0.2 (x86_64-apple-darwin13.0)
% function inf() { inf }; inf
zsh: correct 'inf' to 'info' [nyae]? n
zsh: correct 'inf' to 'info' [nyae]? n
[1]    11650 segmentation fault  zsh