[Bug c++/56698] "array subscript is above array bounds" triggered on code that doesn't have that problem

[mh+gcc at glandium dot org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56698

--- Comment #1 from Mike Hommey <mh+gcc at glandium dot org> 2013-03-23 18:11:16 UTC ---
Interestingly, if I modify CalculateFileIndex to return 3 instead of 0, the
error doesn't happen. So it might be a case of confusing gcc warning/error
message.