[Bug c++/53261] [4.8 Regression] ICE in tree_strip_nop_conversions

[paolo.carlini at oracle dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53261

--- Comment #2 from Paolo Carlini <paolo.carlini at oracle dot com> 2012-05-07 
15:11:54 UTC ---
In general, build_range_check can return NULL_TREE. Just matter of doing:

    if (tem && integer_zerop (tem))
      return;

like a few lines below?