[Bug middle-end/43631] var-tracking inserts notes with non-NULL BLOCK_FOR_INSN in between basic blocks

[izamyatin at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43631

--- Comment #12 from Igor Zamyatin <izamyatin at gmail dot com> 2012-12-07 10:24:04 UTC ---
Oh, right, in this case just more checks are needed for
distance_non_agu_define_in_bb in i386.c. I'll add them. Thanks!