[Bug middle-end/45472] [4.6/4.7/4.8 Regression] [Middle-end volatile semantics] ICE: in move_op_ascend, at sel-sched.c:6124 with -fselective-scheduling2

[abel at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45472



--- Comment #26 from Andrey Belevantsev <abel at gcc dot gnu.org> 2013-02-26 
09:21:14 UTC ---

Created attachment 29539

  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=29539

scheduler patch



I'm testing the attached patch to fix the ICE in the scheduler.  Then the

issue/non-issue of the front-end of not presenting the proper volatile bits to

the middle-end can be discussed separately.