[Bug debug/60438] [4.9 Regression] dwarf2cfi :2239 still assert,not the same cause as PR 59575

[manjian2006 at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60438

--- Comment #22 from linzj <manjian2006 at gmail dot com> ---
(In reply to Richard Henderson from comment #19)
> Created attachment 32311 [details]
> proposed patch
> 
> Running full tests on this overnight, but it fixes the ICE.

If you just want to pass the tests,you may use mine patch.It just make jump2
not so aggressive when meeting two insn both have that note.