[Bug tree-optimization/53419] loop incorrectly optimized to endless loop at -O2 for table delimited by extern addresses (x86-32)

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53419

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|WAITING                     |RESOLVED
         Resolution|                            |INVALID

--- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-05-19 21:54:03 UTC ---
> extern func_ptr_t init_array_begin[1];
> extern func_ptr_t init_array_end[1];

The array sizes say they are size of one.  If you want to be correct and not
allow GCC to optimize away the check because array overflow, use [] instead of
[1].