[Bug sanitizer/56330] ICE: verify_gimple failed: gimple_bb (stmt) is set to a wrong basic block with -fsanitize=address

[dodji at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56330

--- Comment #5 from Dodji Seketeli <dodji at gcc dot gnu.org> 2013-02-15 19:46:44 UTC ---
Created attachment 29477
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=29477
Updated patch with cleanups explained in the ChangeLog

Thanks!

I have updated the patch to simplify the logic in instrument_mem_region_access
somewhat, especially the part that does the statement iterator decrementing
dance.

I have also added more regression tests.

What do you think?