[Bug c++/52918] ICE: Invalid bb->loop_father (NULL) in add_bb_to_loop

[bscottm at ieee dot org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52918

--- Comment #1 from B. Scott Michel <bscottm at ieee dot org> 2012-04-09 
20:31:53 UTC ---
Patch to check bb->loop_father is relatively obvious, but not clear that the
patch would do the right thing.